J. Vicente Fruet-C., José R. Millán,
ISSN 2071-789X
273
José M. Caridad, Jesús C. Pérez-G.
INTERDISCIPLINARY APPROACH TO ECONOMICS AND SOCIOLOGY
Fruet-Cardozo, J.V., Millán, J.R., Caridad y Ocerin, J.M., & Perez-Galvez, J.C.
(2019). Impact of capital increase on solvency and profitability of Spanish deposit
banks. Economics and Sociology, 12(3), 273-290. doi:10.14254/2071-789X.2019/123/18
IMPACT OF CAPITAL INCREASE ON
SOLVENCY AND PROFITABILITY OF
SPANISH DEPOSIT BANKS
J. Vicente Fruet-Cardozo,
Area of Applied Economics
University of Cordoba,
Cordoba, Spain
E-mail: jvfruet@uco.es
José R. Millán,
Area of Financial Economics
University of Cordoba,
Cordoba, Spain
E-mail: es1milaj@uco.es
José M. Caridad y Ocerin,
Area of Statistics and Econometrics
University of Cordoba,
Cordoba, Spain
E-mail: ccjm@uco.es
Jesús C. Perez-Galvez,
Area of Applied Economics
University of Cordoba,
Cordoba, Spain
E-mail: dt1pegaj@uco.es
ABSTRACT. The aim and hypothesis of this article is to
demonstrate that capital increases taking place in the
Spanish banking system for almost half a century (1971–
2017) led to an increase in both the solvency and the
profitability of the system, taking into account the changing
situation in the Spanish banking environment in this period.
However, it was difficult to homogenise the 1968–70 data
with the period studied. Therefore, in addition to analysing
ten traditional ratios, a structural equation model (SEM) in
path analysis modality was used to validate the results of the
effects of the evolution in equity. SEM is widely used in the
economic and social sciences to estimate regression models
(usually multi-equational) and establish relations between
different financial variables and ratios. The estimated model
shows a significant global acceptability based on the usual
statistical tests and goodness-of-fit measures. The model
supports the research hypothesis and the conclusions. The
fundamental changes in the Spanish banking system over
the last five decades, including the virtual disappearance of
the savings bank subsector, has increased the overall
solvency of the remaining firms and consolidated their
profitability during the crisis years.
Received: January, 2019
1st Revision: May, 2019
Accepted: August, 2019
DOI: 10.14254/2071789X.2019/12-3/18
JEL Classification: C33,
G21, G32
Keywords: Spanish banks, consolidated financial statements, ratios,
equity, net profit, SEM.
Introduction
Substantial changes have occurred in the Spanish banking system over the fifty-year
period from 1971 to 2017. The first was the conversion of banks into more generalist business
financial entities focused on the commercial and industrial sector. The second was the
transformation of numerous local and national banks into international financial holdings,
among which two groups clearly stand out. Additionally, the savings bank sector practically
Economics & Sociology, Vol. 12, No. 3, 2019
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José M. Caridad, Jesús C. Pérez-G.
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disappeared following the financial crisis of the last decade. As regards bank management, it
has been difficult to obtain reasonable results for shareholders in recent years due to a gradual
but permanent decline in the spreads for different investment operations. In this regard, it should
be highlighted that the primary purpose of banking systems must be to finance the real
economy. That is its essence and its origin. However, this situation has also changed gradually
in the last decades. Although the global banking system today proclaims and presents leverage
as the financial panacea, the leverage of the system has weakened the banking financial
structure. This fragility is particularly notable with the increasingly frequent economic
tsunamis. Our study is an attempt to address these issues, which we consider vital today, not
only in Spain and in the EU, but throughout the economic world.
In 1971, the Spanish banking system comprised 219 entities: five public banks, 125
private banks, of which 15 were large firms, and 89 savings banks. To give an idea of the
importance of savings banks, almost half of the deposits were managed by these financial
entities (Calvo, Parejo, Rodríguez, & Cuervo, 2010; Tamames, 1971). According to the annual
report of the Spanish Banking Association for the year 2017 (Asociación Española de Banca,
2016, 2018), the structure of the system changed radically. At that time, there were 59 banks
and just two savings banks, whose deposits accounted for only 1.2% of the total banking system.
The hypothesis of this paper is that the capital increases experienced in the Spanish
banking system for 47 years (i.e., from 1971 to 2017) have had a positive impact not only on
the system’s solvency, but also on its profitability. It is important to mention that from 2009 to
2015 the capital increases were not made with the system’s own resources, but with funds from
the so-called “bailouts” of Spanish deposit institutions.
To support our hypothesis, in addition to having applied 10 ratios to the consolidated
economic and financial statements of that period, we have used a multi-equation econometric
model that aims to explain the variability of some profit and results variables. In this way, as a
previous stage, the economic and financial ratios were related with variables used in the
proposed path analysis model (Hikmet, Lin, & Mooney, 2011).
Path analysis and structural equations models (SEM) (Elosua, 2011) attempt to confirm
the causal associations in directly observable data and between latent variables, respectively,
assuming that these existing associations are linear, although there are extensions for non-linear
situations. This method allows examining a set of associations between one or more continuous
or discrete exogenous variables (Caridad y Ocerín, 2016) by breaking the correlations observed
in a system of equations that described his hypotheses relating to causal association. The causal
associations between the variables are then represented by a path chart.
The rest of the paper is structured as follows. Section 1 provides a review of the
literature. Section 2 presents the methodology, the data collected for the almost five decades
considered, the consolidated balance sheet and income statement from the Spanish banking
system, as well as their evolution. In section 3, the results are described and explained
individually. Section 4 presents the discussions and section 5 concludes.
1. Literature review
In relation to our analysis and the association with capital increase and impact on the
solvency and profitability of banks, Trujillo (2013) studied commercial and savings banks in
Spain for the period 1999–2009. The author found that neither the size of the entity nor growth
rates is valid for explaining profitability, although the ratio of capital positively explains the
rate of return. Trujillo also analysed the persistence of banks from 65 developed countries,
finding evidence of a negative influence on the growth of cost effectiveness, as within a market
with strong competition, persistence must be weak in economies where institutional
development is more advanced and external governmental mechanisms are strong. Likewise,
Economics & Sociology, Vol. 12, No. 3, 2019
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Dietrich, Hess, and Wanzenried (2014) examined how the new capital requirements established
in Basel III affect the profitability of central European banks. Goddard, Molyneux, and Wilson
(2004) studied the cost effectiveness of the main European banks and found that patrimonial
persistence is larger in banks and credit cooperatives than commercial banks.
On the other hand, Hikmet et al. (2011) studied the determinants of corporate leverages
in Japan using path analysis. Aymanns, Cáceres, Daniel, and Schumacher (2016) examined the
sensitivity of bank funding cost to solvency measures while monitoring other measures of bank
fundamentals. Their analysis included two measures of bank funding cost: (a) average funding
cost and (b) interbank funding cost, as a proxy of wholesale funding cost. Bassett, Lee, and
Spiller (2015) analysed the discussed styles of banking supervision in recent years and
estimated changes in them, as well as their influence on the economic scene. Calice (2014) used
a panel of annual observations for 198 banks in 19 Middle East and North African countries
over the period 2001–2012 in order to develop an early warning system for forecasting bank
insolvency based on a multivariate logistic regression framework. Jérômy and Kok (2013)
propose that the use of macro stress tests to assess bank solvency has developed rapidly over
the past few years. The authors underlined that this development was reinforced by the financial
crisis, which resulted in substantial losses for banks and created general uncertainty about the
banking sector’s loss-bearing capacity. Jobst, Ong, and Schmieder (2013) recognised that
International Monetary Fund staff have developed more robust stress testing methods and
models and adopted a more coherent and consistent approach after the latest global economic
crisis. According to Dombret and Lucius (2013), after the latest crisis, financial stability
encompasses more than the sum of the individual risks that exist in a financial system. Borio
and Drehmann (2009) reviewed the available measurement methodologies and pointed out
several weaknesses of macro stress tests, arguing that they can lull policymakers into a false
sense of security. Baker and Wurgler (2002) used market-to-book ratios to investigate the
impact of market timing on capital structure and found that firms with lower leverage tend to
raise funds when their market-to-book ratios are high. In contrast, highly leveraged firms tend
to raise funds when their valuation is low. A firm’s current capital structure is therefore partially
the cumulative outcome of past attempts to time the market.
In a comparative investigation of Japanese and US corporate control, Morck and
Nakamura (1999) found significant differences between US and Japanese firms in the relations
between ownership structure and firms’ performance. Major banks in particular play a key
ownership role in Japan. In contrast, Fohlin (1998) found that relationship banking in Germany
did not provide consistent lessening of the sensitivity of corporate liquidity to firms’ cash flow
in the banking period 1903–1913. Likewise, Kang and Stulz (1996) showed that the 1980s
liberalisation in Japanese finance and banking caused abnormal returns in Japanese firms closer
to those of US firms. In their international comparison of capital structure, Rajan and Zingales
(1995) argued that the structure is determined by growth, capital intensity or tangibility of
assets, profitability, and size.
Many studies on capital structure have found evidence that firms try to maintain a target
capital structure. Over time, debt ratios are associated with firms’ characteristics, such as size,
market valuation, high levels of fixed or tangible assets, and the marginal tax rate. For instance,
Fama and French (2002) determined that more profitable firms are less leveraged and, as the
pecking order model predicts, short term variation in investment and earnings is mostly
absorbed by debt.
In relation to the methodology used in the analysis, Duncan (1966) investigated path
analysis as a useful tool in making explicit the rationale of conventional regression calculation.
Elosua (2011) proposed a model in the framework of SEM to assess preferences among quality
of life dimensions for the elderly. Badri, Davis, and Davis (2000) studied the business
environment, operations strategy and performance of Singapore’s manufacturers and applied a
Economics & Sociology, Vol. 12, No. 3, 2019
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path analytic framework to study the effects of the environment on the choice of operations
strategy and performance for a sample of United Arab Emirates manufacturers. Likewise, Badri
and Alshare (2008) tested a model for the measurement of the business value of e-governments.
Path Analysis was also used to test these hypotheses. The classical literature on this topic
includes the seminal work of Bagozzi and Heatherton (1994), who proposed a framework for
representing personality constructs at four levels of abstraction using latent variables. Browne
and Cudeck (1993) considered two types of error involved in fitting a model: the first one was
error of approximation and the second one was overall error which involved the fit of the model.
According to Bentler (1990), coefficient yield new normed (CFI) and non-normed fit indexes
(NFI) are frequently used as adjuncts to chi-square statistics for evaluating the fit of a structural
model. Similarly, Bollen (1989) described the use of structural equations in different sectors.
Finally, in relation to the identifiability (estimability) of multi-equation models, Caridad y
Ocerín (2016) argued that the path analysis method as a way to approach the representation of
a multiequational model needs to have all its equations identified in order to estimate all the
equations and produce the corresponding interpretation. If only part of the relations can be
identified, only these can be interpreted once estimated.
2. Methodological approach
2.1. Overview
SEM is an extension of the general linear model, while path analysis is a particular case
of SEM (Caridad y Ocerín, 2016). SEM allows the estimation of equations and the analysis of
the existing causal relationships among several variables. Path analysis is used with observable
numerical variables and, in addition to the model specification, can be used to decompose the
correlation coefficients among the variables in several parts to represent the direct, indirect, and
non-causal effects. In general SEM models, latent variables models are specified jointly with
factor analysis models using observable variables related to the latent part of the construct
(Bollen, 1989).
In what follows, a summary of SEM is provided. Several different types of variables are
identified according to their measurement or the role they perform in the model, which include
the following:
Latent variables (Bollen, 1989), which are also known as constructs, are factors or
variables that are not observable. These variables are usually the object of interest for analysing
abstract concepts that can be indirectly observed through their effects on the observed indicators
or variables. The only latent variables in path analysis are related to the residual terms in each
equation (Hikmet et al., 2011; Duncan, 1966).
Observable variables, also known as measurement or indicator variables, are variables
with available data. They can be classified into three types as follows.
Exogenous variables are independent variables, that is, they affect other variables while
they are not impacted by any of them. These variables can be identified on diagrams as
they have no arrows pointing at them.
Endogenous variables are dependent variables which are impacted by other variables.
On diagrams, these variables have arrows coming in. They are also impacted by
perturbation or error terms.
Error variables are latent variables that take into account all the sources of variation
that are not explicitly considered in the model and are non-significant individually, but
have an observable impact as a group of variation causes.
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2.2. Sample data
The sample of banks, including savings banks and credit institutions in the Spanish
financial sector, were selected from database of the Bank of Spain, which is responsible for
regulating the banking sector. The consolidated balance sheets and the profit and loss charts of
the Spanish deposit institutions correspond to the period 1971 to 2017, that is, a 47-year interval
(Association, 2016, 2018). Ten financial ratios were obtained from the database with the general
aim of analysing the effect of the main variables in the balance sheet on profits or solvency
related information (Rose, 2002). A summary of economic and financial information is
provided in tables 2, 3, and 4. A path analysis approach is used to determine the causal
relationships among the variables.
Table 1 shows the originally selected ratios and type of variable they represent.
Table 1. Variables and ratios originally selected for the analysis
Acronym
X1
X2
X3
X4
X5
X6
Y1
Y2
Y3
Y4
e1
e2
e3
e4
Ratios
Capital Increase
Capital/Assets
Equity/Assets
Liabilities/Assets
Administrative Costs/Operating Income
Intermediation Margin
Net benefit
ROE
ROA
Equity/Liabilities
Type of variable
Indebtedness
Indebtedness
Indebtedness
Efficiency
Efficiency
Profitability
Profitability
Profitability
Solvency
Exogenous
Endogenous
Error variables
Source: Own elaboration.
2.3. Comments on the consolidated balance sheet
It is important to note that the figures in the financial statements from 1971 to 2001
originally appeared in pesetas, the Spanish currency prior to the euro. For the period 2002 to
2017 all figures are shown in euros. The INE (the National Statistics Institute of Spain) webpage
was the source used for the conversions from current to constant figures.
a. Assets: As can be seen in Table 2, for the period analysed, the system’s assets grew in current
terms by 15,130.20% (i.e., 151 times) from 16,854,916 million euros in 1971 to 2,550,188.1
million in 2017 (in constant terms, 750,6%). As shown, in 1971 other resident sections
(ORS) was the main investment in the balance, accounting for 56.7% of total assets, that is,
9,560.5 million/16,854.9 million euros. But this item decreased progressively and in 2017
was 47.0%, that is, 1,199106,319 million/2,550,188,101 million euros. Moreover, in 1971,
commercial loans were the major item within ORS credits; however, from the mid-1970s,
mortgage loans began to establish themselves as the major item in the assets.
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Table 2. System’s consolidated assets – Dec. 31, 1971 to Dec. 31, 2017 (000 euros)
ASSETS
1971
CREDITS
Credit system
Public Administrations
ORS
External sector
VALUES OTHER THAN SHARES and
1980
1990
2000
2010
2017
12,842,986 80,586,823 295,294,231 779,067,305 2,268,404,055 1,680,260,216
2,574,267 14,675,550 91,515,908 129,633,889
188,441,535
214,793,432
10,037
121,002
8,681,404 28,811,973
74,491,997
74,339,530
9,560,510 57,533,272 175,103,242 526,632,753 1,782,291,283 1,199,106,319
698,172 8,256,999 19,993,677 93,988,690
223,179,240
192,020,935
0 13,303,499
0 13,295,686
0
7,813
PARTICIPATIONS
Residents in Spain
Residents in the rest of the world
SHARES AND PARTICIPATIONS
Residents in Spain
External sector
OTHERS NOT SECTORISED
Cash
Others
TOTAL ASSETS
45,751,989 127,638,286
44,758,498 102,673,752
993,491 24,964,534
377,801,449
313,915,760
63,885,689
318,530,468
247,453,222
71,077,246
542,720
531,938
10,782
2,145,036
2,011,287
133,749
9,839,867
8,203,377
1,636,490
75,293,682
48,175,524
27,118,158
180,188,964
102,877,982
77,310,982
258,742,503
145,388,331
113,354,172
3,469,210
179,180
3,290,030
534,726
154,112
380,614
26,379,154
2,799,027
23,580,127
5,850,083
5,386,264
463,819
292,862,590
7,882,548
284,980,042
292,654,914
8,071,726
284,583,188
16,854,916 96,570,084 377,265,241 987,849,356 3,119,257,058 2,550,188,101
Source: Own elaboration and consolidation data based on Bank of Spain data.
As shown in Figure 1, account values other than shares and participations was the
second most important item, followed by other non-sectorised.
100%
80%
56.7%
59.6%
60%
57.1%
46.4%
53.3%
47.0%
40%
13.8%
20%
00%
12.1%
12.9%
12.1%
1990
2000
2010
12.5%
0.0%
1971
1980
OSR CREDITS
2017
VALUES OTHERS THAN SHARES AND PARTICIPATIONS
Figure 1. ORS credits and values other than shares and participations on total assets
Source: Own elaboration based on Bank of Spain data.
With regard to total assets, in the last seven years, there was a reduction from
3,119,257.10 million euros in 2010 to 2,550,188,10 million euros in 2017; that is, a decrease
of 18.2% in the economic structure of the Spanish banking system. It is important to mention
that the deterioration of the portfolio due to the crisis was the main cause of the fall of the total
assets of the system. It is also important to mention that in June 2017, Banco Popular, the fourth
largest bank in Spain, was bought out by Banco Santander, the largest Spanish bank.
b. Liabilities: As shown in Table 3, liabilities grew in current terms by 14,585.7%, specifically
from 15,713 million euros in 1971 to 2,203,211,50 million in 2017 (INE). As can be seen in
Table 3, deposits were the main source of financing for the banking institutions in the 1970s.
Thus, in 1971 this item accounted for 90.4% of the total liabilities and equity (15,238.7
million/ 16,854.9 million euros). However, deposits gradually lost predominance in later
decades. At the end of 2017, deposits accounted for 70.8% (1,805,740.5 million/ 2,550,188.1
million euros).
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Table 3. System’s consolidated liabilities and equity – Dec. 31, 1971 to Dec. 31, 2017 (000
euros)
LIABILITIES
1971
DEPOSITS
Credit system
Public Administrations and Provisions
ORS
External sector
FIXED INCOME SECURITIES ISSUED
ACCRUALS AND OTHER LIABILITIES
TOTAL LIABILITIES
EQUITY
SHAREHOLDER’S EQUITY
Capital
Reserves
Net Profit
Other accounts
15,238,697
2,386,914
133,112
11,944,760
773,911
227,597
246,758
15,713,052
SOCIAL AND CHARITABLE WORK
TOTAL EQUITY
TOTAL LIABILITIES AND EQUITY
1990
2000
2010
2017
85,069,944 309,583,604 789,690,765 2,244,624,468 1,805,740,472
11,294,977 55,012,255 139,705,861
236,123,047
293,383,380
888,182 11,194,367 19,993,647
75,287,050
60,910,483
61,781,836 204,629,954 401,173,026 1,434,103,776 1,193,835,580
11,104,949 38,747,028 228,818,231
499,110,595
257,611,029
2,039,096
4,531,397 39,941,027
377,454,686
200,289,371
2,470,707 27,248,855 67,735,400
224,072,203
197,181,667
89,579,747 341,363,856 897,367,192 2,846,151,357 2,203,211,510
1,106,512
381,222
545,527
179,763
0
6,835,480
2,202,842
3,938,619
694,019
0
29,388,356
6,478,724
17,724,244
5,185,388
0
72,480,923
10,438,709
53,777,522
8,264,692
0
174,138,646
25,293,197
134,679,887
9,287,371
4,878,191
218,880,620
52,207,199
173,715,300
-3,769,289
-3,272,590
0
0
0
0
-3,254,127
1,968,981
0
0
0
0
12,089,406
3,034,595
0
0
5,676,120 16,475,187
86,914,327
35,352
154,857
836,909
1,526,054
3,217,449
1,141,864 6,990,337 35,901,385 90,482,164
273,105,701
16,854,916 96,570,084 377,265,241 987,849,356 3,119,257,058
122,985,107
107,288
346,976,591
2550,188,101
VALUE ADJUSTMENTS
VALUE ADJUSTMENTS FINANC. ASS.
and LIAB.
VALUATION ADJUST. DUE TO ASSET
IMPAIRM.
1980
Source: Own elaboration and consolidation data based on Bank of Spain data.
Fixed income securities issued – purchased mainly with European Central Bank funds
– had become more popular in the financial structure of the system (Baker & Wurgler, 2002).
Figure 2 illustrates this situation as well as the gradual participation of deposits in financing the
total assets of the system.
100%
90.4%
88.1%
82.1%
80%
79.9%
72.0%
70.8%
60%
40%
20%
1.4%
1.2%
1.2%
1980
1990
4.0%
12.1%
7.9%
2000
2010
2017
0%
1971
DEPOSITS
FIXED INCOME SECURITIES ISSUED
Figure 2. Deposits and fixed income securities issued on liabilities and equity
Source: Own elaboration based on Bank of Spain data.
c. Equity: The growth of equity was 30,971.0% in current values. Specifically, equity
increased from 1,141.8 million euros in 1971 to 346,976.6 million in 2017 (1,708.3% in
constant terms). As can be observed in Table 3, this item represented 6.8% of total assets
(1,141.9 million/16,854.9 million euros) in 1971 (Fama & French, 2002). Over the decades,
this percentage increased and in 2017 it reached 13.6%, indicating a major improvement in
Economics & Sociology, Vol. 12, No. 3, 2019
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the banks’ solvency for the term under study (Elsinger & Summer, 2010). It is worth
highlighting that in 2010 equity was 8.8% on the assets and, at a first glance, the 4.8%
increase in seven years (13.6% - 8.8%) would indicate a substantial improvement (Millán &
Fruet-Cardozo, 2012a). However, this was mainly financed with funds from the financial
restructuring and bailout programs for the savings banks and the banks of the system that
were in trouble, which reached 99,618 million euros (Bank of Spain, 2016) from 2009 to
2015. After this year, no more bailout funds were given. The detail of it is presented below.
Table 4. Restructuring and bailouts of Spanish deposit institutions between 2009-2015
Spanish deposit institutions
Bankia
Caja de Ahorros del Mediterráneo (CAM)
Banco de Valencia
Banco Mare Nostrum (BMN)
Banco Ceiss
Banco Grupo Caja 3
Banco Gallego
Cajasur
Banca Cívica
Unnim Banc
Caja Castilla La Mancha y Liberbank
NCG Banco
Catalunya Banc
Total
Millions of €
36,183
13,222
7,223
3,745
2,247
1,097
867
358
977
1,992
6,974
11,081
13,652
99,618
%
36.3%
13.3%
7.3%
3.8%
2.3%
1.1%
0.9%
0.4%
1.0%
2.0%
7.0%
11.1%
13.7%
100.0%
Source: Own elaboration and consolidation data based on Bank of Spain data.
That is, the bailout using funds collected from the Spanish taxpayers and not from
resources of the institutions themselves. But this is another matter that is not under study in this
paper.
It is important to mention that the capital increased in current terms by 15,160.9% from
381.2 million euros in 1971 to 52,207.2 million in 2017. On the other hand, reserves constituted
the main item of shareholders’ equity. In 1971 this was 545.5 million euros, which represented
3.2% of the financial structure. In 2017 this reached 173,715.3 million euros, which represented
6.8% (Baker and Wurgler, 2002). The reserves for valuation adjustments due to assets
impairment deserve special attention. We have data for this item for the year 2005, a year in
which an amount of 23,885.5 million euros was reported, representing 1.2% of the total
financial structure. In 2017, the amount increased to 122,985.1 million euros, which represented
4.8%. This evolution is due to the impact of the economic crisis in the banking sector (European
Banking Authority, 2014a; Jobst et al., 2013).
2.4. Comments on the consolidated income statement
The income statement is presented in Table 5, which shows that for the first 22 years
(1971 to 1993) the increase in financial products has been continuous and positive, with a mean
growth of 17.6%. However, there were significant decreases in several years in the period
1994–2017, with a mean increase of just -0.8%.
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Table 5. System’s consolidated income statements – Dec. 31, 1971 to Dec. 31, 2017 (000
euros)
REVENUE AND EXPENSES
1971
1980
1990
2000
2010
2017
Financial products
Financial expenses
Interest margin
Income from equity instr. & other products & expenses
Gross margin
Operating expenses
Staff costs
Net provisions
Loss due to impairment of financial assets
Net operating income
Losses due to impairment of other assets
Other income or loss
Profit before tax (up to 1991)
Companies Tax
Provisions for Social and Charitable Work (SCW)
Net benefit (from 1992)
947,544
478,880
468,664
61,598
530,262
342,667
240,639
0
7,519
180,076
0
4,682
184,758
0
0
10,485,341
6,332,630
4,152,711
599,389
4,752,100
3,324,787
2,261,362
45,899
543,207
838,207
108,627
84,208
813,788
0
0
44,772,859
29,775,224
14,997,635
2,795,716
17,793,351
10,942,273
6,800,896
1,513,716
1,150,890
4,186,472
-39,834
1,059,449
5,285,755
0
0
46,580,768
28,236,176
18,344,592
12,109,730
30,454,322
19,158,433
11,600,891
3,103,397
2,116,277
6,076,215
33,765
3,759,288
9,801,738
1,516,549
0
77,091,165
42,798,951
34,292,214
29,020,664
63,312,878
29,431,088
17,642,567
3,963,156
16,718,935
13,199,699
5,290,339
1,927,240
9,836,600
133,823
30,049
33.027.902
9.799.390
23.228.512
23.508.567
46.737.079
26.667.347
13.934.507
3.597.055
9.126.880
7.345.797
9.275.528
1.433.297
-496.434
3.216.749
56.106
0
0
0
8,285,189
9,672,728
-3.769.289
Source: Own elaboration and consolidation data based on Bank of Spain data.
From 2005 onwards, an increase typical of a financial bubble period was seen. That
year, financial products amounted to 57,526.8 million, whereas in 2008 they reached 141,653.6
million, which could not be considered a normal growth in this sector. The above amounts are
shown in Figure 3.
55%
46.2%
45%
39.5%
35%
15%
5%
-5%
-15%
32.7%
34.9%
21.7%
18.3%
27.4%
24.7%
19.3%
23,9%
14.6%
10.8%
15.6%
8.9%
11.9%
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
25%
35.8%
-11.5%
-25%
-8.8%
-16.6%
-27.2%
-35%
-20.6%
Figure 3. Financial products – annual growth
Source: Own elaboration and consolidation data based on Bank of Spain data.
Moreover, the mean gross margins for the decades under analysis were 46.2%, 37.9%,
34.2%, 39.2%, and 45.3% in the 1970s, 1980s, 1990s, 2000 to 2009, and 2010 to 2015,
respectively. This would indicate the application of an adequate spread (Rose, 2002).
The net operating income in 1971 was initially 19.0% of the financial products (180.1
million/ 947.5 million euros); with operating expenses representing 36.2% of financial
products, of which 25.4% were staff costs. 2012 was the only year in which the net operating
income yielded a negative figure due to the restructuring of the portfolio of the so-called “toxic
assets” originated during the recession years. Thus, that year the loss due to the impairment of
financial assets even exceeded the system’s financial income: 102.6% (82,547.5
million/80,464.5 million euros). In 2017, operating expenses increased to 80.7% of the financial
products, of which 42.2% were staff costs, therefore significantly increasing structural costs
during the years of declining operating income.
Figure 4 shows the behaviour of the profitability indicators ROE and ROA. From 1971
to 1992 these indicators yielded excellent outcomes. For those 22 years, the ROA was at a mean
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of 1.0% and the ROE at 12.9%. In 1993, both indicators showed a notable reduction, but from
that year until the start of the economic recession in Spain in 2008, the decrease was greater.
The worst outcomes occurred in 2011, 2012. and 2017, with -0.5%, -2.3% and -0.2% for the
ROA and -4.2%, -18.8% and -1.1% for the ROE. These figures reflect the effects of the
restructuration of the financial sector as a result of the global crisis. However, despite the strong
impact this had on the Spanish banking sector, all the capital increases made during the period
under study support the hypothesis of this research.
12.4%
16.2%
1.3%
1.1%
-2.3%
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
20%
15%
10%
5%
0%
-5%
-10%
-15%
-20%
ROA
-0.2%
-1.1%
-18.8%
ROE
Figure 4. Evolution of ROA and ROE from 1971 to 2015
Source: Own elaboration and consolidation data based on Bank of Spain data.
2.5. Proposed model specification
Figure 5 shows the goodness-of-fit of the model based on the data. As can be seen, some
small changes have been made in relation to the original model in order to achieve a better fit.
For instance, the variable X2 = Capital/Assets has been eliminated due to the lack-of-fit of the
model. Therefore, the final variables that represent the model are shown in Table 6.
Table 6. Variables and definitive ratios selected for the analysis
Acronym
X1
X2
X3
X4
X5
Y1
Y2
Y3
Y4
e1
e2
e3
e4
Ratios
Increase in ROE
Capital Increase
Equity/Assets
Liabilities/Assets
Equity/Liabilities
Net benefit
ROA
Administrative Costs/Operating Inc.
Intermediation Margin
Type of variables
Indebtedness
Indebtedness
Indebtedness
Efficiency
Profitability
Profitability
Profitability
Solvency
Exogenous
Endogenous
Error variables
SPSS 23 and AMOS software were used to create the diagram. SPSS, which runs as a
command, allows the specification, estimation, evaluation, and presentation of models in order
to show hypothetical associations between the variables described above (Caridad y Ocerín,
2016). The rectangles represent the observable exogenous and endogenous variables. The
arrows represent the connections between regressions and correlations. The two-pointed arrows
indicate the covariances.
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In general and specific terms, the diagram shows a statistical model that adequately fits
the hypothesis: increases in the capital of Spanish Banks led to an increase in both solvency and
profitability.
Figure 5. Goodness-of-fit of the SEM, path analysis
Source: Own elaboration using AMOS software
3. Conducting research and results
All the parameters were estimated using the maximum likelihood estimation. The
estimated coefficients are all significant at 5% and almost all at 1%, which supports the
specification of the model. The values of the regressions are shown in Table 7.
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Table 7. Regression weights
Variables
Net Ben.
←
ROA
←
Net Ben.
←
Adm.C./Op.Inc.
←
Int.Marg.
←
ROA
←
Net Ben.
←
Adm.C./Op.Inc.
←
Int.Marg.
←
Adm.C./Op.Inc.
←
Int.Marg.
←
Inc.ROE
Inc.ROE
Cap.Inc.
Cap.Inc.
Cap.Inc.
Eq./Ass.
Liab./Ass.
Liab./Ass.
Eq./Liab.
Inc.ROE
Inc.ROE
Estimate
26.267
0.455
-0.360
0.005
-0.016
0.661
-27.063
0.926
1.289
0.098
-0.239
S.E.
5.875
0.041
0.182
0.001
0.002
0.041
5.720
0.035
0.056
0.036
0.058
C.R.
4.471
10.976
-1.978
4.094
-7.740
15.991
-4.731
26.673
22.973
2.735
-4.101
p
***
***
0.048
***
***
***
***
***
***
0.006
***
Source: Compilation data using AMOS software.
In general, all the findings obtained can be considered adequate, thus indicating that the
model fits the initial hypothesis. The values of the covariances and variances are shown in tables
8 and 9, respectively.
Table 8. Covariances
Variables
Inc.ROE
Eq./Ass.
Liab./Ass.
Inc.ROE
Inc.ROE
Inc.ROE
Cap.Inc.
Cap.Inc.
Cap.Inc.
Eq./Ass.
e2
e1
↔
↔
↔
↔
↔
↔
↔
↔
↔
↔
↔
↔
Cap.Inc.
Liab./Ass.
Eq./Liab.
Eq./Ass.
Liab./Ass.
Eq./Liab.
Eq./Ass.
Liab./Ass.
Eq./Liab.
Eq./Liab.
e4
e2
Estimate
S.E.
C.R.
p
-0.215
0.059
0.058
0.055
0.056
0.055
-0.152
-0.171
-0.150
0.059
0.002
0.020
0.090
0.012
0.012
0.012
0.012
0.012
0.088
0.088
0.088
0.012
0.001
0.009
-2.376
4.790
4.779
4.658
4.679
4.632
-1.734
-1.936
-1.702
4.792
-2.354
2.161
0.017
***
***
***
***
***
0.083
0.053
0.089
***
0.019
0.031
Source: Compilation data using AMOS software.
Table 9. Variances
Variables
Inc.ROE
Cap.Inc.
Eq./Ass.
Liab./Ass.
Eq./Liab.
e1
e2
e3
e4
Estimate
0.059
5,642
0.059
0.059
0.059
7.827
0.005
0.004
0.001
S.E.
0.012
1.176
0.013
0.011
0.012
1.632
0.001
0.001
0.000
Source: Compilation data using AMOS software.
Economics & Sociology, Vol. 12, No. 3, 2019
C.R.
4.795
4.797
4.796
4.795
4.794
4.793
4.856
4.797
4.796
p
***
***
***
***
***
***
***
***
***
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Following Browne and Mels (1992) and Browne and Cudeck (1993), we present the
main research findings below.
3.1. Global test for the model (CMIN)
The chi-square statistic (CMIN) is the only measure of the goodness-of-fit associated to
a global significance test which is a prerequisite to accept the model. However, some additional
individual tests are necessary to assess the significance of each parameter, the remaining
measures and goodness-of-fit indexes (Caridad y Ocerín, 2016). In this regard, the result
obtained with χ2 is very good: 17.716 with 13 degrees of freedom (DF), the number for testing
the model with p = 0.169, and to test the hypothesis that the model can be considered adequate.
Therefore, it can be stated that the χ2 obtained confirms the hypothesis of the goodness-of-fit of
the model with the 450 cases of observed data.
3.2. Goodness-of-fit indexes
In SEM models, several measures of goodness-of-fit are employed according to
different criteria. The most common are presented here, although the AMOS software includes
some additional measures and provides an interval for each: the optimal value (that is, the
figure associated to a perfect fit linked to the saturated model) and, at the other extreme, the
value associated to the independence model. This helps to interpret some statistics that do not
have a bounded range (such as a likelihood-based measures). Goodness-of-fit measures can be
classified into three broad groups: those based on the covariance matrix of the observed data,
the statistics that compare the proposed model to the independence model, and finally, those
derived from the likelihood function.
In the first class, besides the chi-square statistic, the root mean square error (RMSEA)
is the basis on which to judge the size of the residuals (differences between the observed and
the model-estimated covariances of the numerical variables). In our case, RMSEA = 0.089,
which is below the 0.1 threshold usually used to cap the mean square residuals; the optimal
value for the saturated model is 0 and the upper limit is unbounded. An additional goodnessof-fit in this class is the root mean square of the normalised residuals, which provides a similar
view.
The second group of measures compares the proposed model to the independence model
(Browne and Cudeck, 1993). The two usual statistics are the Tucker-Lewis (NFI = 0.987) and
the Bentler index (CFI = 0.997), which are related to the proportion of covariance explained by
the model (the optimal covariance corresponding to the saturated model is 1, which is a perfect
fit). In our case, these statistics are very close to the saturated model, thus confirming our model.
Finally, a third group of goodness-of-fit measures are based on the likelihood function
associated to the specified model (Caridad y Ocerín, 2016). Common measures in this group
are the Akaike information criterion (AIC) or the Schwarz-Bayesian Information criterion
(BIC). These measures are used to compare models with a different number of parameters in
order to obtain minimum values. In our case, AIC = 81.716, which is close to the minimum
limit associated to the saturated model.
4. Discussion
This research synthesizes information related to the economic-financial and patrimonial
situation of Spanish banks for 47 years, from 1971 to 2017. The main objective is to provide
empirical evidence on how capital increases imply an increase not just in solvency, but also
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profitability, which have been analysed using financial ratios and a structural equation model
(SEM). Also, in the Introduction we mentioned our concern about the change that the main role
of the banking system has had in recent decades, not only in Spain and in the EU, but worldwide.
And our restlessness increases when we see that the requirements demanded by the most
important control and consulting agencies in the world, such as the Basel Committee, for
example, do not require with determination that the bank's equity be a real support of creditors,
investors and general public. In this regard, the 8% required by Core Tier 1 and applied in the
stress tests conducted by the European Banking Authority (EBA) may not be enough (EBA,
2014b).
Therefore, in order to further support our hypothesis, the Tier Core 1 formula is briefly
explained. Subsequently, a consolidated report of the European Central Bank (ECB) on the
profit, equity, and ROE of Eurozone banks is presented.
4.1. Core Tire 1
The Basel Committee standards are minimum requirements which apply to banks
internationally. Basel III focuses not only on different components of regulator capital, but also
on the so-called “risk-weighted assets” (RWA).
As regards the regulatory capital base, banks usually finance their investments with
capital and debt, such as customer deposits. Regulatory capital is composed of (i) Common
Equity Tier 1: common shares, retained earnings, and other reserves; (ii) Additional Tier 1:
capital instruments with no fixed maturity among others; and, (iii) Tier 2: subordinated debt
and general loan-loss reserves.
As for RWA, banks typically hold cash, securities, and loans and a risk weight is
assigned to each type of asset: credit risk; market risk, and operational risk (Millán and FruetCardozo, 2012b).
𝐶𝑜𝑟𝑒 𝑇𝑖𝑒𝑟 1 =
𝑅𝑒𝑔𝑢𝑙𝑎𝑡𝑜𝑟𝑦 𝐶𝑎𝑝𝑖𝑡𝑎𝑙 𝑏𝑎𝑠𝑒
≥ 8%
𝑅𝑖𝑠𝑘 𝑤𝑒𝑖𝑔ℎ𝑡𝑒𝑑 𝑎𝑠𝑠𝑒𝑡𝑠
( 1)
Additionally, to support our hypothesis, an ECB report on Eurozone banks, their capital
and ROE increases from December 2005 to December 2017 led to similar conclusions.
4.2. ECB data from banks in the Eurozone
The profit, equity, and ROE of Eurozone banks from December 2005 to December 2017
can be observed in (ECB, 2019).
As a result of the last financial crisis, profits dropped from 2.67 to 0.87 billion euros in
the period 2007–2008, leading to a decrease in ROE from 22.9% to 7.5%. Despite this turbulent
period of contemporary economic history, during which the levels of equity observed in the
report have been maintained somewhat (in some cases thanks to the bailout mentioned in
section 2.3), ROE shows a permanent upward trend during the 12 years.
Similarly, the Spanish banking system recovered after the 2008 crisis. The recovery has
been the result of two factors: (i) the most important one was the increase in equity thanks to
the bailouts, which were EU resources and, to a lesser extent, (ii) the new regulations of the
international banking supervision body, whose main activity is to conduct stress tests for banks
on a regular basis. Although in our opinion this supervisory body does not firmly control
solvency, it does at least encourage banks to avoid being poorly positioned in the publications
of the respective test.
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Table 10. Consolidated equity and ROE
of Eurozone banks (billions of euros)
Date
Profit
Equity
ROE
25%
22.9%
ROE
20%
(Billions of Euros)
2005-Dec-31
1.37 €
€12.29
11.1%
2006- Dec -31
1.42 €
€10.39
13.6%
2007- Dec -31
2.67 €
€11.66
22.9%
2008- Dec -31
0.87 €
€11.59
7.5%
2009- Dec -31
1.09 €
€11.07
9.8%
2010- Dec -31
1.65 €
€13.33
12.3%
2011- Dec -31
1.79 €
€11.54
15.5%
2012- Dec -31
2.02 €
€11.15
18.1%
2013- Dec -31
1.37 €
€11.47
12.0%
2014- Dec -31
1.71 €
€11.36
15.1%
2015- Dec -31
1.83 €
€12.43
14.7%
2016- Dec -31
2.08 €
€12.79
16.2%
2017- Dec -31
1.79 €
€12.55
14.3%
15%
18.1%
15,5%15.5%
15.1%
16.2%
13.6%
14.7%
10%
5%
12.3%
11.1%
14.3%
12.0%
9.8%
7.5%
0%
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Figure 6. ROE trend - Eurozone banks
Source: Own elaboration based on ECB data
Finally, although the SEM shows evidence of how capital increases positively impact
the profitability of banking entities, the new banking supervision regulations (ECB, 2014) did
not consider a key issue: the incidence of bank financing costs. In this regard, the regulation is
based on not increasing the cost of financing banks, since improving the financial structure by
increasing own resources would be set off by reducing the risk profile of the banking entities
(Dermine, 2013). According to King (2009), the cost of banking entities’ capital depends on
the risk perceived by the markets and the possibility for banks to have state economic support
in case of insolvency.
Conclusion
The almost five decades of data analysed show how the Spanish banking system has
undergone fundamental changes. The ‘Equity/Liabilities’ solvency ratio, for example, has
increased from 7.3% to 13.6% in the period 1971–2017. Similarly, in terms of profitability,
from 1971 to 2007, the year that marked the beginning of the last global economic and financial
crisis, the ROE of the Spanish banking system obtained an average of 11.1%. Moreover,
considering the whole period, that is, including the poor results of the crisis years, the average
was 9.0%, which would be more than satisfactory for the shareholders (Fama & French, 2002).
Therefore, from an economic and financial point of view, we can argue that our hypothesis is
supported by the market data.
A SEM is proposed to link several variables from the banking sector consolidated
liabilities, equity, revenue and expenses accounts, to explain some profitability and solvency
measures dependent of several financial ratios of indebtedness and efficiency. The net benefit
is explained by the increase in ROE and capital and by the ratio of liabilities to assets. The ROA
is linked to this ratio and to variations in the ROE. The ratio of efficiency measured by the
administrative costs over the operating income is explained by the increases in ROE and capital,
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as well as by the ratio of liabilities over assets. Finally, the increase in the operational margin
is dependent on the variation in ROE and in capital and the ratio of equity over liabilities.
The proposed path analysis model is significant overall, as shown by the chi-square test.
The estimated parameters are significant (with a p-value of less than 5% and, in most cases,
less than 1%) and the goodness-of-fit measures are, in all cases, close to the saturated model.
For example, the RMSEA is 0.089 and the CFI is 0.997 (for a maximum value of 1), thus
supporting the proposed model adequately.
With that in mind and from a debt perspective, we question if the ratio of debt to
equity/total assets = 13.6% in December 2017 is sufficient (Dombret & Lucius, 2013).
Assumedly, the answer is yes. However, considering that the capital increase during the period
2011 to 2015 (in 2016 and 2017 the capital increases were based on increases in the reserves)
was made possible through the financial restructuring and bailout money, it could be a virtual
solvency. Therefore, under the assumption that 13.6% of the equity/assets ratio is not enough
for a banking system to be considered solvent, how much capital is sufficient?
Leverage – which has become practically a dogma in the world of finance in recent
decades (World Bank, 2016) – works when everything goes smoothly in the macroeconomic
scenario. But when it begins to wobble and the first hurricane winds of financial storms arrive,
the first companies to panic are the most leveraged ones. And these are usually those of the
financial system. However, we would prefer to focus on this part of the proposal in future
research.
Finally, given the oligopolistic structure of the Spanish banking system (Asociación
Española de Banca, 2016), the proposal to increase the banks’ capital with genuine funds from
the entities would most likely not meet with approval. To sum up, based on our economic and
financial analysis and supported by the statistical model presented, we are convinced that capital
increases would lead not only to enhanced solvency, but also enhanced profitability.
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