Journal of Asian
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Identifying the Institutional Effects of Mixed Systems in New Democracies: The
Case of Lesotho
Timothy S Rich, Vasabjit Banerjee and Sterling Recker
Journal of Asian and African Studies published online 12 November 2013
DOI: 10.1177/0021909613507233
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JAS0010.1177/0021909613507233Journal of Asian and African StudiesRich et al.
research-article2013
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Article
Identifying the Institutional
Effects of Mixed Systems in New
Democracies: The Case of Lesotho
Journal of Asian and African Studies
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DOI: 10.1177/0021909613507233
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Timothy S Rich
Political Science Department, Western Kentucky University, USA
Vasabjit Banerjee
Department of International Studies, Indiana University, USA and Department of Sociology, University of Pretoria,
South Africa
Sterling Recker
University of Missouri – St. Louis, USA
Abstract
This paper addresses the effects of the mixed system used for the last three elections in Lesotho (2002, 2007
and 2012), a small African country with a turbulent history regarding opposition acceptance of elections.
The decision to implement a mixed system was in part to encourage democratic stability, yet whether the
electoral system has become more conducive to democratic competition is unclear. Through an analysis
of national and district-level results, this paper addresses the following questions. First, at the district
level, is competition consistent with Duverger’s law or the contamination thesis and is a progression over
time evident? Second, does the population size of a district influence the number of candidates and the
concentration of votes? Finally, following recent research on detecting electoral fraud, this paper tackles
whether the reports of district results suggest extra-institutional manipulation.
Keywords
Africa, democratization, Duverger, electoral institutions, mixed-member majoritarian, Lesotho, postconflict
Introduction
Since independence, establishing a stable democracy in Lesotho has been riddled with challenges.
Yet with the adoption of a new electoral system for the National Assembly in 2002, multiparty
competition and democratic stability seem to have emerged in the small African country. Moving
Corresponding author:
Vasabjit Banerjee, Department of International Studies, Indiana University, 1100 East 7th St., Woodburn Hall Rm. 316,
Bloomington, Indiana 47401, USA.
Email: vasabjit@gmail.com
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away from a first-past-the-post majoritarian system, Lesotho adopted a mixed legislative system,
increasingly common across the globe. Mixed member legislative systems employ two systems to
allocate seats within the same legislative house, usually in the form of single member districts
(SMDs) as well as seats allocated through proportional representation (PR). However, most of the
literature on the institutional effects of mixed systems is based on evidence from older democracies
(e.g. Germany, New Zealand and Japan).
This paper addresses the effects of the mixed system used for the last three elections in Lesotho
(2002, 2007 and 2012). The decision to implement a mixed system was in part to encourage democratic stability and a more broadly representative National Assembly (Elklit, 2002), yet whether the
electoral system has become more conducive to democratic competition is unclear. Through an
analysis of national and district-level results, this paper intends to address the following questions.
First, at the district level, is district competition consistent with Duverger’s law (two-party competition) or the contamination thesis (multiparty competition) and is a progression over time evident?
Second, do the district population and the number of candidates influence vote concentration and
turnout? Finally, following recent research on detecting electoral fraud, this paper attempts to identify whether the reports of district results suggest extra-institutional manipulation.
There are several valid reasons for using Lesotho as a case study on mixed legislative systems.
Mixed systems have proliferated globally in the past 20 years, but often fail to live up to the original promise of providing local accountability and representation of diverse interests. Among postcommunist countries, for example, several opted for a mixed system for early elections (e.g.
Russia, Ukraine and Albania) before moving to another formula. Furthermore, because much of
the literature relies on how mixed system reforms fared in established democracies, the question
remains whether the electoral formula is effective in poor developing countries with thin democratic roots, especially ones that are geographically small. Lesotho thus provides a means to test
how mixed systems perform in what appears as a less than ideal setting.
Sartori (1976) argued that revolutions of decolonization could realign cleavages in a manner
favorable to the rise of a dominant party. Labeling Lesotho’s political history as a dominant party
system is problematic in that there has not been a consistent party in power, but some similarities
exist. From the disputed 1970 election until Lesotho’s first mixed election in 2002, the majority
party won almost every seat, with the opposition holding only one seat in 1998. As such, the ruling
parties could modify electoral rules to suit their needs. Similarly, like dominant party systems, ruling parties failed to be monolithic and instead often balanced interests and factions.1 While not
matching the efforts of pork distribution and promises of future policy benefits of typical dominant
party examples like the Liberal Democratic Party (LDP) of Japan (Pempel, 1990: 352), Lesotho
party politics showed similar pathologies.
Rather than evaluate Lesotho’s democracy on poorly defined standards of consolidation or rely
on impressionistic accounts, we instead focus on the electoral institutions and whether voters in
Lesotho act in a manner consistent with theoretical expectations. We also acknowledge that, even
while electoral institutions shape voting behavior, the salience of institutions cannot be properly
evaluated in the presence of electoral manipulation, for example electoral fraud. Thus, besides just
evaluating theoretical expectations regarding electoral institutions, we attempt to measure the presence or absence of electoral fraud through indirect means.
This paper will first introduce the literature on mixed systems and what we should expect in
Lesotho. Second, an introduction to Lesotho politics follows. We then present our research design
before empirically analyzing the national and district-level election results in order to compare
with expectations from mixed systems. The subsequent statistical analysis of patterns in electoral
returns gives little cause to assume significant electoral fraud. In total, this analysis suggests that
Lesotho’s mixed system is producing outcomes in line with democratic expectations.
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Evaluating Mixed Systems
An expansive literature in political science analyzes how electoral institutions shape party systems
(e.g. King, 1990; Lijphart, 1994; Norris, 2004; Rae, 1971, 1995; Rokkan, 1970; Taagepara and
Shugart, 1989). Perhaps the most consistent finding has been Duverger’s law (Duverger, 1954),
that the mechanical and psychological effects of single-member districts (SMDs) with plurality
rule lead to two-party competition whereas larger district magnitude, usually associated with proportional representation (PR), produces a multiparty system. As there can only be one winner in
plurality SMDs, smaller parties tend to drop out or align with larger parties with greater chances of
victory. Similarly, voters are unlikely to support candidates with little chance in winning (Cox,
1997; Golder, 2006). While outliers exist usually due to regional parties2 and newer democracies
often do not immediately conform, as a whole Duverger’s law has held in a vast array of systems
comprised solely of SMDs (Amorim-Neto and Cox, 1997; Jones, 1999; Ordeshook and Shvetsova,
1994; Taagepera and Shugart, 1993).
Mixed member systems provide a new institutional context to test Duverger. Proponents see
these systems as ‘the best of both worlds’ (Shugart and Wattenberg, 2001), combining the
accountability and local constituency focus of SMDs with the diverse representation and
national policy focus of PR. Analytically, proponents praise these systems for allowing a form
of natural experiment, holding all but seat type as constant (Lancaster and Patterson, 1990;
Moser, 1995, 1997; Stratmann and Baur, 2002). Moser and Scheiner (2004: 2) specifically refer
to these systems as a ‘social laboratory in which effects of different types of electoral systems
can be studies in isolation from influence of the social context.’ Accordingly, such approaches
need not consider additional factors, especially in single-country studies. Each tier is expected
to separately conform to the Duvergerian institutional expectations, with two-party competition
in district seats and multiparty competition in the list tier. As a result, strategic voting and interparty coordination is expected to be limited to the district tier while voters remain sincere in
their list vote, encouraging parties to go it alone. In essence, legislator actions should fall within
the rationalist tradition.
While natural experiments are appealing, the two sets of electoral rules for the same legislature may affect one another creating interdependence and non-Duvergerian outcomes (contamination thesis). Bawn (1999) argues that at its base there must be some voters who use information
from the district tier in calculating their party vote. Duverger (1986) himself suggested that
district competition could spill over into the PR tier. Most scholars focus on additional factors
that cross tiers (such as party interests) and may increase the number of district candidates
(Ferrara et al., 2005; Herron and Nishikawa, 2001). Sartori (1997: 75), for example, warned that
such institutional arrangements potentially result in a ‘bastard-producing hybrid, which combines their defects.’
Whether mixed systems produce positive or negative outcomes compared to other systems is
debatable, but theoretical and empirical evidence of tier interaction is pervasive. For example,
since the proportional tier dictates the overall results, determining the utility of an individual vote
under the mixed member proportional (MMP) system is complicated, likely reducing strategic voting (Reynolds et al., 2005). Overall, the expectation in mixed systems is a deviation from
‘Duvergerian gravity’ and a greater dispersion of votes from the top two competitors in district
competition (Cox and Schoppa, 2002; Ferrara et al., 2005; Herron and Nishikawa, 2001).
The psychological and mechanical effects of Duverger’s law are products of district competition and are open to distortion with aggregation to the national level. Therefore, the district level is
a more appropriate level of analysis for testing Duvergerian expectations. Variation in competition
between mixed systems has been analyzed at the national level, usually through a measure of the
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effective number of parties. In contrast, measures of district-level competition remain rare (e.g.
Ferrara and Herron, 2005; Moser and Scheiner, 2004) and cover only a limited number of mixed
systems, none including evidence from Lesotho.
While the literature suggests that MMP systems produce greater incentives for additional entries
at the district level, there appears little discussion in regards to the competitiveness of district races
under MMP versus the mixed member majoritarian system (MMM). Unlike the MMP system, the
MMM system encourages parties to move towards the median district vote, potentially increasing
the closeness of such elections. Similarly, as voters increasingly understand the system, Duvergerian
pressures promote a greater concentration of voters around the top two candidates (Bartolini,
2002). However, the increased number of candidates in districts under MMP potentially lowers the
bar in elections in terms of the total percentage of the vote necessary for victory, making these
districts more competitive as well.
Lastly, the literature on mixed systems remains quiet in regards to its effects on turnout. While
implementation was often predicated on increasing citizen participation, little research to date
tackles how mixed systems influence showing up to the ballot box (Rich, 2013). Still, the broader
electoral systems literature gives us a few expectations. While an increased number of parties
means voters should be able to find a party close to their preferences, this does not necessarily lead
to a boost in turnout. Rather, increases in the number of parties appear to depress turnout, in part
due to confusion over party stances and the likelihood of less decisive coalitional governments
(Blais and Dobrzynska, 1998; Brockington, 2004; Jackman, 1987). Meanwhile, mixed systems are
not immune to the 30-year global trend in declining turnout in elections in new and older democracies (Franklin, 2004; Franklin et al., 2004; Kostadinova, 2003; Niemi and Weisberg, 2001;
Wattenberg, 2002). Thus, to understand Lesotho’s results compared to other democracies, we must
consider both forces that appear to curb turnout.
The Political Trajectory of Lesotho: Understanding the Promise of
Electoral Institutions
The evolution of Lesotho’s electoral institutions informs our understanding of democratic transition and consolidation in several ways. First, Lesotho has a recent history of political instability
and military rule, as have many post-Cold War African countries. However, Lesotho seems to have
implemented electoral reform as a means to end violence as opposed to a way to consolidate the
power of a specific party or ethnic group. Second, the recent 2012 elections, characterized by a free
and fair outcome, suggest the reforms have led to a period of democratic consolidation wherein
parties and voters now accept the outcomes and refrain from violence. In order to understand the
central role of electoral institutions, this section presents a brief history of the factors that led to
political instability and violence before explaining how electoral institutions were reformed to
resolve these problems.
Lesotho is a small kingdom within South Africa with a history of strong state control and influence in political and economic institutions. After decolonization in 1966 from the British, Makoa
(2004) argues that Lesotho was left without a clearly defined political ideology, but was expected
to foster a form of constitutionalism resembling the Westminster system. This left the newly independent people with limited understanding of democracy in practice, even though they had the
formal institutions in place for such a system. As a result, political conflicts originating in British
colonial policies of dividing and ruling Lesotho became institutionalized at the time of independence, creating what Turkon (2008) refers to as ‘colonial politics.’
Aside from the colonial legacy, elections in Lesotho and the pendulum swings towards and
away from democratic consolidation have been influenced by its economic structure and
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the politics of its powerful neighbor, South Africa. Amin (1972) classifies Lesotho as part of a
macro-region that supplied labor to colonial territories ruled by the British. Economic growth in
Lesotho has long depended on agriculture and remittances from migrant workers in the South
African mining industry (Johnston, 1996), making the majority of the population reliant on lowwage labor and subsistence farming. The early 1990s also saw extensive labor unrest due to foreign
investment and the government’s lack of industrial and labor standards in regards to wages and
working conditions (Tangri, 1993). Given these economic characteristics, Lesotho remains a fragile economy with a surplus labor pool as the private sector is largely non-existent. Thus, citizens
frequently look to their South African neighbor for temporary employment. This economic fragility also encourages parties and candidates to view elections as a means to access state resources.
Lesotho’s transition coincided with the end of the Cold War and Apartheid in South Africa, thus
Lesotho’s political development has been heavily influenced and shaped by external factors
(Kabemba, 2003; Olaleye, 2004). The Apartheid regime in South Africa directly and indirectly
intervened in Lesotho politics by supporting the Lesotho Liberation Army, the armed wing of the
Basutoland Congress Party that was created after the party’s suppression in 1970 (Pherudi, 2001).
Even in 1998, South African armed forces intervened to stop post-electoral violence.
By understanding Lesotho’s development from both the colonial and post-colonial perspective,
we can better understand the formation of parties and how party politics has shaped the current
electoral system. Matlosa (2006) identifies six periods in Lesotho’s post-independence politics: an
embryonic democracy (1966–1970); one party authoritarianism (1970–1986); military authoritarianism (1986–1993); the return of multiparty democratic competition (1993–1998); a fragile and
less violent democracy (1998–2002); and, finally, a relatively stable democracy since 2002.
Lesotho had two dominant parties between the periods of independence from Great Britain in
1966 to the fall of the military regime in 1993: the Basutoland Congress Party (BCP) and the
Basotho National Party (BNP). The nationalist BCP was formed in 1952 and the BNP was established soon after in 1957. After winning the 1965 elections, the BNP suspended the constitution,
thus laying the groundwork for decades of political rivalry between these two dominant parties
(Olaleye, 2004). Unlike many Sub-Saharan African countries, Lesotho is relatively homogenous;
thus, pre-independence elections were defined early on by other means of party mobilization, not
traditional conceptions of ethnic divisions. Admittedly lineage (e.g. Bakoena, Bafokeng, etc.) as
well as religious divisions (e.g. Catholicism, Anglican, Lesotho Evangelical) still remain an undercurrent in Lesotho politics, but do not appear as deep as cleavages traditionally associated with
ethnicity. The lack of ethnic cleavages is key to understanding the evolution of party politics in
subsequent decades, as voters made decisions based on factors other than ethnic identification.
This alone distinguishes Lesotho’s electoral development from many other African nations, making it a unique country from which to understand the importance of post-conflict democratization
via electoral reform.
Regardless of these early experiences with proto-democratic elections, the BNP contested the
first post-independence election in 1970 by refusing to step down, after the BCP was unofficially
projected to win 33 out of the total 57 seats (McCartney, 1973: 485). This stolen victory began
several decades of conflict between the parties that led to periods of authoritarian rule until 1993.
This era of political conflict disenfranchised many smaller parties who felt they had limited opportunities under military rule (Cho and Bratton, 2006). The return of multiparty elections in 1993
created additional impetus for conflict as the BCP won all 65 seats with only 74.7% of the vote.
In 1998 the Lesotho Congress of Democrats (LCD), a breakaway party from the BCP, won 79
of 80 seats in parliament, once again marginalizing smaller parties under the first-past-the-post
(FPTP) electoral system. Due to the history of one-party dominance, Lesotho adopted the current
MMP system for the 2002 electoral cycle to encourage smaller parties to run for office, thus
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Table 1. National Assembly election results (1965–1970).
Party
1965
No. of seats
Party
% of votes
BNP
BCP
MFP
MTP
Independents
41.5
39.7
16.5
2.2
0.03
1970
No. of seats
% of votes
31
25
4
0
0
BNP
BCP
MFP
Other
42.2
49.8
7.3
0.7
23
36
1
0
ensuring broader representation. The 2002 elections saw seven additional parties win seats in parliament, while the majority of seats were distributed between the BNP, the BCP and the LCD.
Unlike previous attempts at electoral democracy, the 2002 elections were the first in Lesotho’s
history that were not marked by violence and corruption, suggesting that Lesotho, like a number of
other Sub-Saharan African countries, was consolidating its democratic gains after the violence and
instability of the 1990s. Although the opposition challenged the results of the 2002 results, protests
remained largely non-violent (Makoa, 2004), marking the first peaceful election without an opposition boycott since 1965 and the first since independence. This pattern has endured post-reform.
Whereas the remnants of monarchy and Lesotho’s political and economic history would suggest an
inhospitable environment for democratization, electoral reforms appear to have ushered in a stable
and what appears to be a largely fair electoral process. This era of democratic competition is largely
credited to the enactment of a mixed legislative system.
As seen elsewhere, Lesotho’s mixed system incorporated single-member districts (SMDs) that
had been used in previous elections in the country, as well as seats allocated by proportional representation (PR). In most mixed systems the results of the two seat types (or tiers) do not directly
influence the other and can be viewed as independent. Such systems are often called parallel systems or mixed member majoritarian (MMM). In contrast, Lesotho follows Germany and New
Zealand in enacting a mixed member proportional (MMP) system in which the overall results are
proportional. Whereas under MMM the total results may be very disproportional if one party wins
more district seats than their PR vote share, under MMP party list seats are allocated only after
adjusting for district victories. As such, MMP guarantees proportionality beyond that of MMM,
which is of particular importance for Lesotho because prior elections using just SMDs often failed
to produce a representative assembly. The first two National Assembly elections (1965 and 1970)
produced relatively proportional outcomes as seen in Table 1; both cases led to violent conflicts
with opposition forces challenging the legitimacy of the elections.
The return to multiparty competition in 1993 and 1998 created a heavily disproportional outcome leading to continued questions about the legitimacy of the country’s elections. Moving to a
system which ensured proportionality, even while maintaining local districts, thus potentially provided a mechanism to encourage parties to view the results as legitimate. Interviews with representatives of the IEC reaffirmed that the broader goal of enacting the MMP system was to stop
one-party dominance and increase representation.
After the 1998 political violence and South African intervention, public debates held by the
Interim Political Authority (IPA) in conjunction with the United Nations Development Program
(UNDP) showed broad support for a mixed system as it would guarantee greater representation to
opposition parties. The first election under MMP indeed produced a more representative legislature. The LCD obtained 77 of 118 seats with 54.8% of the vote, while the BNP captured 21 seats
with 22.4% of the vote. Eight other parties received up to five seats.
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The 2007 election continued this trend, with the LCD garnering 62 of the 120 seats. While the
BNP collapsed winning only three seats, three other parties won 10 or more seats: the National
Independent Party, All Basotho Convention (ABC) and Lesotho Workers’ Party. The 2012 elections included an additional institutional reform, passed under the National Assembly Elections
Act of 2011, which replaced the two-vote system with a one-vote system. In such systems, also
used in Mexico and previously in South Korea from 1996–2000, the results of district elections
are aggregated to determine the party list, creating a contamination effect in contrast to
Duvegerian expectations. Supporters of small parties, instead of strategically defecting in districts, cast a sincere vote in order to capture proportional seats. In addition, 2012 saw a split in
the LCD, effectively resulting in three sizable parties: the new Democratic Congress (DC), the
ABC and the LCD.
While a cursory view of National Assembly elections certainly suggest a more representative
parliament, it gives only limited insight into patterns of electoral competition. The new electoral
institutions also remain devoid of a mechanism to resolve election-related conflict in a neutral and
systematic way. The Independent Electoral Commission (IEC) since 2002 has been more transparent than previous elections (Kabemba, 2003; Venter, 2003) through a restructuring of electoral
laws and regulations. Still, the IEC maintains a monopoly on dispute resolution and has prevented
access to ballots and other voting materials necessary for effective challenges by domestic groups
as well as international observers (Makoa, 2004). The investigations surrounding voter fraud allegations in 1998 highlighted this lack of transparency. This lack of transparent oversight coupled
with a continuous registration process that potentially allows for inaccurate rolls provides several
causes for concern. However, instead of delving into broad systemic problems in Lesotho, we
opted to focus on electoral institutional impacts on voting behavior for three reasons. First, such a
method requires fewer assumptions on beliefs and expectations of actors. Second, it makes our
studies replicable. Third, given ease of replicability, it facilitates future comparisons with other
countries using the MMP system.
Research Design
To better grasp whether elections in Lesotho are matching expectations in more mature democracies, we analyze national and district-level results from each of Lesotho’s mixed elections.
Election results were culled from the website of Lesotho’s Independent Election Commission.
This two-level approach allows us to identify the extent of competition in Lesotho, while providing additional evidence to match against theoretical expectations. National-level results, for
example, often mask a very different district-level dynamic. Where a multitude of parties gain
seats nationally, district competition may remain more heavily restricted. District-level analysis
provides a better means to identify the degree of party fractionalization and to the extent that
Lesotho’s mixed system behaves like those elsewhere. Furthermore, district-level analysis
allows an indirect means to identify electoral fraud that it is simply not possible to capture at the
national level.
Based on the existing literature, this analysis tests the following hypotheses:
Hypothesis 1: in line with the contamination thesis, district-level competition will not converge
towards two-party competition.
Hypothesis 2: district population will not correlate with vote concentration around the two top
candidates.
Hypothesis 3: district population and the number of candidates will both negatively correlate
with turnout.
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Table 2. The effective number of parties in votes (ENPV) and seats (ENPV).
1965
1970
1985
1993
1998
2002
2007
2012
ENPV
ENPS
2.79
2.32
Missing
1.64
2.27
2.78
Missing
3.69
2.14
1.97
1
1
1.03
2.16
3.15
3.67
Empirical Analysis
A common measure for party-system competition is the effective number of parties, a weighted
measure of all parties based on either vote shares or seat shares. While other factors beyond the
electoral institution influence the number of parties (Mozaffar et al., 2003; Patterson and FadigaStewart, 2005), the literature on electoral institutions expects two-party competition in systems
using just SMDs and multiparty competition when using PR. Table 2 summarizes the effective
number of parties by votes (ENPV) and by seats (ENPS).3 Lesotho’s first two post-independence
elections confirm Duvegerian expectations: the effective number of parties by vote share are under
three, with a decline after the first election indicative of a learning curve. Seat share in contrast is
much closer to Duvergerian expectations from the start. The following elections show sizable support for other parties, but this fails to convert to seats. Only with the move to a mixed system does
the discrepancy between vote and seat share diminish, consistent with the proportionality inherent
in MMP systems. With few exceptions, most countries see an increase in the number of parties
when moving from a majoritarian system to a mixed system (e.g. New Zealand). Lesotho is consistent with these general trends.
Moving to district-level competition, Nagayama triangles provide an effective means to graph
competition and evaluate Duvergerian expectations. Nagayama (1997) noticed that graphing the
vote percentage for winning candidates in single-member districts on the x-axis by the percentage
received by the runner-up (which by definition cannot be more than 50%) created a triangle shaped
distribution (also see Nishikawa, 2002). Regions within this triangle correspond with general
trends in party competition (Diwakar, 2007; Reed, 2001, 2007; Taagepera and Allik, 2006). The
top point of the triangle corresponds with competitive two-party competition where smaller parties
receive little support, consistent with Duvergerian expectations in SMDs (e.g. 51% vs. 47%).
Districts with multiparty competition and thus a larger percentage of the vote going to smaller parties are found as one approaches the left corner of the triangle (e.g. 47% vs. 35%). Districts where
two parties receive nearly all of the vote, but where one party dominates, are located towards the
right corner of the triangle (e.g. 85% vs. 15%).
Figure 1 presents a Nagayama triangle comprised of district election results for 2002, 2007 and
2012. This includes the top two candidates regardless of party identification, including independents where applicable. Duverger would expect district results to concentrate around the top tip of
the triangle if close two-party races and along the far right if one party dominates in two-party
contests. Evidence from Lesotho shows greater dispersion, with a majority of districts having
viable candidates beyond the top two. In 2002 a plurality of districts include a candidate that
received a supermajority of the district vote, with greater dispersion by 2007. By 2012 multiparty
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2007
0
0
10 20 30 40 50 60 70 80 90 100
10 20 30 40 50
2012
0
Runner_up
10 20 30 40 50
2002
0
10 20 30 40 50 60 70 80 90 100
Winner
Figure 1. Nagayama triangles of Lesotho’s district elections by year
competition with more than two effective parties was the norm. Every district had at least four
candidates (including independents), with as many as 16 in 2002 and 21 in 2012. Many of these
received only a small fraction of the vote, yet third parties performed better than would be expected
in systems comprised solely of SMDs, suggestive of a contamination between the two tiers in the
mixed system. The top two candidates received on average 80.26% of the district vote in 2002,
with 81.8% and 72.31% in following elections.
The move to a one-vote system in 2012 encouraged greater multiparty competition (towards the
left side) as parties vying for party list seats had to run often non-viable district candidates. Yet this
does not explain the dispersion under a two-vote system where strategic defection would be
expected at the district level if Duvergerian pressures were dominant.
The results suggest that parties and/or voters fail to understand the mechanical effects of district
competition in the first two elections, relying more on personal connections to candidates rather
than analysis of candidate viability. Meanwhile, the move to a one-vote system may have simply
reinforced personal connections.
Another measurement to identify strategic voting associated with Duverger is the Second Loser
ratio, the percentage of the vote for third place divided by second place. If strategic voting is high
(voters defect from non-viable candidates), then the ratio should approach zero whereas rates over
.50 suggest limited or no strategic voting. The reasons for non-strategic voting under mechanical
pressures to do so are several, notably ethnic loyalties or a lack of information regarding candidate
viability. Due to data availability restrictions, this ratio could only be generated for 2002 and 2012.
This produced non-intuitive results: the ratio increased from an average of .39 to .64. Instead of
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Table 3. Regression on vote concentration for the top two candidates (2002 and 2012).
Model 1
District population
Number of candidates
2012 elections
Constant
N
Adjusted R2
Model 2
−0.0004
−1.8370***
0.0002
0.1978
102.1093***
158
0.4254
2.9269
0.0000
−1.7424***
−3.5370***
97.9840***
158
0.4398
0.0003
0.1998
1.5837
3.4299
***p < .05; **p < .01; *p < .001.
viewing these results as irrational, Lesotho voters may also be responding to an increase in the
number of candidates and parties with difficulty in determining viability without extensive polling
data common in Western democracies.4 In sum, evidence from Nagayama triangles and Second
Loser ratios are consistent with the contamination thesis.
While initial empirical evidence is consistent with the contamination thesis and similar to results
in other MMP systems (e.g. Germany and New Zealand), it gives only limited insight into the district-level election dynamics. For example, to what extent does the size of the district population and
the number of district candidates (including independents) influence the concentration of the vote
around the top two candidates? Table 3 presents ordinary least squares (OLS) regression results.
Unfortunately limited district-level data precludes additional variables to capture aggregate economic and social influences. In model 1 each additional candidate correlates with a near 2% drop in
vote concentration, significant at the .001 level. This pattern endures after controlling for the most
recent election (model 2), while district population fails to reach significance in either model.5
District-level turnout in mixed systems remains largely unexplored despite its importance in
constructing meaningful representation. What determines ‘good’ turnout remains debatable (Blais
and Aarts, 2006; Powell, 2000; Teixeira, 1992; Wattenberg, 2002), but the general assumption
remains that increasing turnout positively influences perceptions of the legitimacy of election
results. For our purposes, we wish to focus on how the number of parties or candidates influences
turnout, especially since multiparty competition is the norm in Lesotho politics and increased in
2012. The conventional wisdom remains that additional candidates increase general interest in
elections, yet this also increases the likelihood of the winner having less than a majority of the vote.
Unfortunately we have limited data on turnout for the 2007 election and thus again must focus on
the first and last elections under a mixed system.
Table 4 presents OLS regression results on the percentage of registered turnout. Models 3 and 4
use the same independent variables as the previous models. In the first, each additional candidate
decreases turnout by a paltry 0.5%, significant at the .01 level. Once a control for the 2012 election
is included (capturing in part the tendency for lower turnout over time), additional candidate entries
fail to reach statistical significance. Meanwhile, in both models population size negatively correlates with turnout, significant at .01 or better. Overall, these results are consistent with the general
trend in mixed systems of a decline in turnout. Whether due to disenchantment with the process as
campaign pledges fail to materialize into concrete policy shifts or a more manipulative origin such
as voter intimidation, Lesotho’s district-level results do not appear to be substantively distinct from
those from similar electoral institutions elsewhere.
Although Lesotho’s results may appear largely consistent with expectations from other mixed
systems, the above analysis on its own does not allay concerns regarding whether the elections are
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Rich et al.
Table 4. Regression on registered turnout (2002 and 2012).
Model 3
District population
Number of candidates
2012 elections
Constant
N
Adjusted R2
Model 4
−0.0022***
−0.4764**
0.0002
0.1886
91.8421***
158
0.4873
2.7911
−0.0005**
−0.0644
−15.4083***
73.8710***
158
0.8218
0.0002
0.1138
0.9017
1.9528
***p < .05; **p < .01; *p < .001.
free and fair. Freedom House labeled Lesotho’s political system as ‘partially free’ from 1991
through 2001 and upgraded the country to ‘free’ in 2002–2008. However, since 2009 Lesotho has
been labeled ‘partially free’ again. Admittedly much more goes into Freedom House’s measure
than electoral transparency, but this does give us some concern about whether Lesotho is engaged
in democratic backsliding.
To tackle this concern, we return to district-level electoral data to identify electoral fraud. A
growing literature tackles identifying electoral irregularity by analyzing patterns in the digits of
subnational results (e.g. precincts; see Mebane 2006; Mebane and Sekhon 2004; Wand et al. 2001).
Beber and Scacco (2012) present several methods to use subdistrict-level data to identify fraud, but
the clearest means is to evaluate the ending digit in election results. In an election free of manipulation, there should be no systematic difference in the rates of ending digits. In other words, a record
of precinct-level results should have roughly the same amount of precincts ending in 0s as 1s and
2s and so on. Existing evidence suggests human biases in generating numbers intended to appear
random (Mosimann et al., 1995, 2002; Mosimann and Ratnaparkhi, 1996). Results that were
beyond a standard deviation and especially those beyond two standard deviations would imply
electoral fraud, although this does not identify the source of such manipulation. Beber and Scacco
use this to suggest Sweden’s 2002 election shows no evidence of fraud (all rates are within one
standard deviation), whereas 2003 data from Nigeria find 0s overrepresented and 2s underrepresented at similar rates, beyond two standard deviations, suggestive of electoral fraud.
Precinct-level data was not available for Lesotho, which potentially would allow us to identify
concentration of fraud within in a district. The IEC states that roughly 3000 polling stations blanket
the country, with each designed to handle roughly 600 voters. Furthermore, electoral disputes are
resolved at this level by IEC officials.6 While this level of analysis would be most appropriate in
identifying electoral fraud as well as variation within a district, such data were not provided by the
IEC after our requests. However, we did have district-level returns for 2002 and 2012, including
the total number of ballots as well as a breakdown of valid versus invalid ballots.7 The same logic
of random numbers employed by Beber and Scacco should apply here as well. Figures 2 and 3
display the frequencies of ending digits of valid, invalid, and total votes for district elections for
2002 and 2012. If randomly distributed, we would expect each number, 0–9, to occur roughly eight
times (as there are 80 districts). While some variation would be expected, results beyond one and
especially two standard deviations from the mean would be cause for concern (one standard deviation from the mean is demarcated with dark lines). Starting with 2002, we find that, among total
votes, only one ending digit (5) is counter to expectations (N = 16), two standard deviations from
the mean. When disaggregated by valid and invalid votes, several reach one standard deviation (1
and 2 for valid; 2, 3, and 7 for invalid). Moving onto 2012, among total votes two ending digits are
beyond one standard deviation, 4 (N = 13) and 9 (N = 2), but neither reaches two standard
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Journal of Asian and African Studies 0(0)
18
16
14
12
Valid votes
10
8
Invalid votes
6
Total votes
4
2
0
0
1
2
3
4
5
6
7
8
9
Figure 2. Rates of ending digits in 2002 district elections
Note: The black horizontal lines denote the range of one standard deviation from the mean.
14
12
10
8
Valid votes
Invalid votes
6
Total votes
4
2
0
0
1
2
3
4
5
6
7
8
9
Figure 3. Rates of ending digits in 2012 district elections
Note: The black horizontal lines denote the range of one standard deviation from the mean.
deviations. Among valid votes, half of the digits are beyond one deviation (1, 5, 6, 8, and 9).
Meanwhile, among invalid votes, three ending digits are beyond one deviation (1, 5 and 7), while
one falls beyond two deviations (6, N = 12).
These results fail to provide a smoking gun for electoral fraud similar to what Beber and
Scacco find for Nigeria. The variation may be a statistical anomaly in part related to the small
sample size or due to poor data collection by Lesotho’s election commission. Variation within
one standard deviation is to be expected and the evidence beyond this in total votes cast is minimal. As such, our results are consistent with those of the Electoral Institute for Sustainable
Democracy in Africa (EISA), whose observers declared Lesotho’s 2012 election as consistent
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Rich et al.
with legal requirements.8 Thus, despite a history of disputed elections and an election commission lacking greater transparency, indirect evidence suggests a relatively free and fair election
process.
A second measure to uncover fraud is to use regression analysis of the reported district turnout
of registered voters (as a percentage) on the last digit reported at the district level. As the two
should not have any statistical relationship, evidence of any systematic pattern would indicate
manipulation. Separate regressions for 2002 and 2012 using the last digit for total votes casts, valid
votes, and invalid votes find no evidence of such manipulation. Only one model, using valid votes
from 2002, even approaches statistical significance (p = .103). Taken as a whole, the empirical
analysis fails to find evidence of electoral fraud. While admittedly electoral fraud is difficult to
identify from a distance and experienced fraudsters consistently find new ways to manipulate the
system, these initial findings should be viewed as confirmation of Lesotho’s evolution to a more
stable democratic system.
Conclusion
A large literature on electoral systems provides broad expectations on how electoral institutions
shape outcomes. Yet much of this literature is based on older Western democracies, giving limited
insight into institutional reforms in younger cases. An analysis of Lesotho provides additional evidence consistent with the contamination thesis, as district-level competition has failed to whittle
down to only two electorally viable parties as expected by Duverger. While Duvergerian equilibrium may not occur immediately as parties and candidates learn the new system, evidence from
Lesotho suggests either an absence of the theoretically expected pressures or that additional factors
override these concerns. Why additional parties and candidates endure is unclear. A fused ballot
would encourage what normally appears as irrational voting in districts, but this would only apply
to the latest election.9 Cultural ties or the lack of pre-election data of public support levels would
also be consistent with this behavior. Each additional entry pulls votes away from the top two candidates, with limited evidence of this addition depressing turnout. Furthermore, additional analyses
of district-level results in 2002 and 2012 present minimal evidence of potential electoral manipulation in terms of falsifying electoral returns.
While democracy appears to be growing roots in Lesotho, several challenges remain. First,
party system instability endures. The move to a mixed system has done little to curb party switching. For example, Matlosa and Shale (2006) found that 35 seats shifted after the 2002 election.
Similarly, public trust in parties remains low and has not improved over time, declining in fact with
the 2007 election. Second, the impact of moving to a one-vote mixed system cannot be understood
entirely after only one election, especially one which occurs simultaneously with the split of
Lesotho’s ruling party. Still, the mixed system appears to provide both winners and losers with
enough influence to forego extralegal means to gain power. Although the ‘best of both worlds’
literature suggests a welcome balance of national and local representation, an analysis of Lesotho
suggests that enacting mixed systems in weakly institutionalized democracies encourages parties
to accept electoral outcomes while providing a degree of proportionality.
Notes
1.
Based on the experience of South Africa’s pacted transition from apartheid and the African National
Congress’ (ANC) subsequent rise to power, some argued that dominant parties represent class coalitions
that sustain power by balancing between the redistribution required from their proletarian supporters and
the property rights required by the bourgeoisie to make wealth for this redistribution (Giliomee, 1998;
Simkins and Giliomee, 1999: 338–341).
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14
2.
3.
4.
5.
6.
7.
8.
9.
Journal of Asian and African Studies 0(0)
Chhibber and Kollman (2004) found that India, Britain, and Canada traditionally have over two effective
parties at the district level. In addition, Papua New Guinea consistently has five or more effective parties
per district in large part due to the relative isolation of villages within each district.
Unfortunately the precise number of votes received by party in 2007 is unavailable. Rather than estimate
this from existing records, we opted to simply note this data as missing. Since all other parties but the
Basotholand National Party boycotted the 1985 election, ENPV cannot be reliably measured as well.
The average number of district candidates increased from 2002 to 2012 from 10.4 to 13.
An additional test using the Second Loser ratio as the dependent variable finds that both population and
the number of candidates positively correlate with ratio at .05 or stronger, but fail to reach significance
once a control for 2012 is included.
According to an interview with Mrs. Mamatlere Matete, spokesperson for the IEC, there were no significant cases of electoral fraud, with such accusations resolved at the voting station. Admittedly, though,
electoral fraud may not be patently obvious at the polling station (interview, 14 September 2012).
We would expect a high rate of invalid votes if widespread voter ignorance about how to cast a ballot existed. As a percentage of all votes casts, invalid votes were low in both 2002 (3.23%) and 2012
(1.68%).This suggests a basic understanding of the system.
EISA’s post-election report does suggest some concern regarding the secrecy of ballot, observing that
the placement of voting booths potentially allow parties and other observers to identify how individuals
voted.
One-vote systems incentivize voting for non-viable district candidates in order to secure party list seats
for one’s preferred party. As such, this institutional reform potentially benefits parties that can run in
every district.
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Author biographies
Timothy Rich is an Assistant Professor of Political Science at Western Kentucky University. His research
focuses on electoral behavior in mixed-member legislative systems with a focus on East Asia.
Vasabjit Banerjee is a Post-Doctoral Fellow and Visiting Assistant Professor in the Department of International
Studies at Indiana University, Bloomington and a Research Associate at the Department of Sociology at the
University of Pretoria. His research covers social movements, political violence, regime formation, and
democratization in developing countries with a focus on South Asia, Latin America, and southern Africa.
Sterling Recker is a Doctoral Candidate at the University of Missouri, St. Louis and Adjunct Professor in the
Department of Political Science at Southern Illinois University. His research focuses on the politics of rural
development and natural resources in Africa and Latin America, with a specific interest in the Great Lakes
region of Africa and the Andean region of Ecuador.
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