Return Migration and Entrepreneurial Success: An Empirical Analysis for Egypt
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- Catia Batista & Tara McIndoe- Calder & Pedro C. Vicente, 2014.
"Return Migration, Self-Selection and Entrepreneurship in Mozambique,"
RF Berlin - CReAM Discussion Paper Series
1417, Rockwool Foundation Berlin (RF Berlin) - Centre for Research and Analysis of Migration (CReAM).
- Batista, Catia & McIndoe Calder, Tara & Vicente, Pedro C., 2014. "Return Migration, Self-Selection and Entrepreneurship in Mozambique," IZA Discussion Papers 8195, Institute of Labor Economics (IZA).
- Catia Batista & Tara McIndoe-Calder & Pedro C. Vicente, 2014. "Return migration, self-selection and entrepreneurship in Mozambique," NOVAFRICA Working Paper Series wp1401, Universidade Nova de Lisboa, Nova School of Business and Economics, NOVAFRICA.
- Wahba, Jackline & Zenou, Yves, 2012.
"Out of sight, out of mind: Migration, entrepreneurship and social capital,"
Regional Science and Urban Economics, Elsevier, vol. 42(5), pages 890-903.
- Wahba, Jackline & Zenou, Yves, 2009. "Out of Sight, Out of Mind: Migration, Entrepreneurship and Social Capital," IZA Discussion Papers 4541, Institute of Labor Economics (IZA).
- Zenou, Yves & Wahba, Jackline, 2009. "Out of Sight, Out of Mind: Migration, Entrepreneurship and Social Capital," CEPR Discussion Papers 7552, C.E.P.R. Discussion Papers.
- Jackline Wahba & Yves Zenou, 2009. "Out of Sight, Out of Mind: Migration, Entrepreneurship and Social Capital," RF Berlin - CReAM Discussion Paper Series 0930, Rockwool Foundation Berlin (RF Berlin) - Centre for Research and Analysis of Migration (CReAM).
- Yingqi Wei & Xiaohui Liu & Jiangyong Lu & Jingjing Yang, 2017. "Chinese Migrants and their Impact on Homeland Development," The World Economy, Wiley Blackwell, vol. 40(11), pages 2354-2377, November.
- Randall Akee, 2010. "Who Leaves? Deciphering Immigrant Self-Selection from a Developing Country," Economic Development and Cultural Change, University of Chicago Press, vol. 58(2), pages 323-344, January.
- Fernando Ramos, 1992. "Out-Migration and Return Migration of Puerto Ricans," NBER Chapters, in: Immigration and the Work Force: Economic Consequences for the United States and Source Areas, pages 49-66, National Bureau of Economic Research, Inc.
- Marchetta, Francesca, 2012.
"Return Migration and the Survival of Entrepreneurial Activities in Egypt,"
World Development, Elsevier, vol. 40(10), pages 1999-2013.
- Francesca Marchetta, 2012. "Return Migration and the Survival of Entrepreneurial Activities in Egypt," Working Papers halshs-00693988, HAL.
- Francesca Marchetta, 2012. "Return Migration and the Survival of Entrepreneurial Activities in Egypt," Post-Print halshs-00726453, HAL.
- Francesca Marchetta, 2012. "Return Migration and the Survival of Entrepreneurial Activities in Egypt," CERDI Working papers halshs-00693988, HAL.
- Francesca MARCHETTA, 2012. "Return Migration and the Survival of Entrepreneurial Activities in Egypt," Working Papers 201217, CERDI.
- Jackline Wahba, 2015.
"Selection, selection, selection: the impact of return migration,"
Journal of Population Economics, Springer;European Society for Population Economics, vol. 28(3), pages 535-563, July.
- Jackline Wahba, 2015. "Selection, Selection, Selection: the Impact of Return Migration," RF Berlin - CReAM Discussion Paper Series 1504, Rockwool Foundation Berlin (RF Berlin) - Centre for Research and Analysis of Migration (CReAM).
- Michael Grimm & Jens Krüger & Jann Lay, 2011.
"Barriers To Entry And Returns To Capital In Informal Activities: Evidence From Sub‐Saharan Africa,"
Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 57, pages 27-53, May.
- Grimm, Michael & Kruger, Jens & Lay, Jann, 2011. "Barriers to entry and returns to capital in informal activities : evidence from Sub-Saharan Africa," Social Protection Discussion Papers and Notes 77927, The World Bank.
- Enrico Moretti, 2004. "Workers' Education, Spillovers, and Productivity: Evidence from Plant-Level Production Functions," American Economic Review, American Economic Association, vol. 94(3), pages 656-690, June.
- Ragui Assaad & Caroline Krafft, 2013.
"The Egypt labor market panel survey: introducing the 2012 round,"
IZA Journal of Labor & Development, Springer;Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA), vol. 2(1), pages 1-30, December.
- Ragui Assaad & Caroline Krafft, 2013. "The Egypt Labor Market Panel Survey: Introducing the 2012 Round," Working Papers 758, Economic Research Forum, revised Jun 2013.
- Barrett, Alan & Goggin, Jean, 2010.
"Returning to the Question of a Wage Premium for Returning Migrants,"
National Institute Economic Review, National Institute of Economic and Social Research, vol. 213, pages 43-51, July.
- Alan Barrett & Jean Goggin, 2010. "Returning To The Question Of A Wage Premium For Returning Migrants," National Institute Economic Review, National Institute of Economic and Social Research, vol. 213(1), pages 43-51, July.
- Barrett, Alan & Goggin, Jean, 2010. "Returning to the Question of a Wage Premium for Returning Migrants," Papers WP337, Economic and Social Research Institute (ESRI).
- Barrett, Alan & Goggin, Jean, 2010. "Returning to the Question of a Wage Premium for Returning Migrants," IZA Discussion Papers 4736, Institute of Labor Economics (IZA).
- Steffen Reinhold & Kevin Thom, 2013. "Migration Experience and Earnings in the Mexican Labor Market," Journal of Human Resources, University of Wisconsin Press, vol. 48(3), pages 768-820.
- David McKenzie & John Gibson & Steven Stillman, 2010.
"How Important Is Selection? Experimental vs. Non-Experimental Measures of the Income Gains from Migration,"
Journal of the European Economic Association, MIT Press, vol. 8(4), pages 913-945, June.
- David McKenzie & Steven Stillman & John Gibson, 2010. "How Important is Selection? Experimental VS. Non‐Experimental Measures of the Income Gains from Migration," Journal of the European Economic Association, European Economic Association, vol. 8(4), pages 913-945, June.
- McKenzie, David & Gibson, John & Stillman, Steven, 2006. "How Important Is Selection? Experimental vs. Non-Experimental Measures of the Income Gains from Migration," IZA Discussion Papers 2087, Institute of Labor Economics (IZA).
- David McKenzie & John Gibson & Steven Stillman, 2006. "How Important is Selection? Experimental vs Non-experimental Measures of Income Gains from Migration," Working Papers in Economics 06/03, University of Waikato.
- Montenegro, Claudio E. & Patrinos, Harry Anthony, 2014.
"Comparable estimates of returns to schooling around the world,"
Policy Research Working Paper Series
7020, The World Bank.
- Claudio E. Montenegro & Harry Anthony Patrinos, 2014. "Comparable Estimates of Returns to Schooling Around the World," Working Papers wp390, University of Chile, Department of Economics.
- Dustmann, Christian & Fadlon, Itzhak & Weiss, Yoram, 2011.
"Return migration, human capital accumulation and the brain drain,"
Journal of Development Economics, Elsevier, vol. 95(1), pages 58-67, May.
- Christian Dustmann & Itzhak Fadlon & Yoram Weiss, 2010. "Return Migration, Human Capital Accumulation and the Brain Drain," RF Berlin - CReAM Discussion Paper Series 1013, Rockwool Foundation Berlin (RF Berlin) - Centre for Research and Analysis of Migration (CReAM).
- Djajić, Slobodan & Vinogradova, Alexandra, 2015. "Overshooting the Savings Target: Temporary Migration, Investment in Housing and Development," World Development, Elsevier, vol. 65(C), pages 110-121.
- repec:unl:unlfep:novaf:wp1401 is not listed on IDEAS
- Philippe De Vreyer & Flore Gubert & Anne-Sophie Robilliard, 2010.
"Are There Returns to Migration Experience? An Empirical Analysis using Data on Return Migrants and Non-Migrants in West Africa,"
Annals of Economics and Statistics, GENES, issue 97-98, pages 307-328.
- Philippe De Vreyer & Flore Gubert & Anne-Sophie Robilliard, 2009. "Return Migrants in Western Africa: Characteristics and Labour Market Performance," Working Papers DT/2009/06, DIAL (Développement, Institutions et Mondialisation).
- Anne-Sophie Robilliard & Flore Gubert & Philippe de Vreyer, 2013. "Les migrants de retour valorisent-ils leur capital ?," Post-Print hal-01517467, HAL.
- Yue Li & Martín Rama, 2015. "Firm Dynamics, Productivity Growth, and Job Creation in Developing Countries: The Role of Micro- and Small Enterprises," The World Bank Research Observer, World Bank, vol. 30(1), pages 3-38.
- Daniel Chiquiar & Gordon H. Hanson, 2005.
"International Migration, Self-Selection, and the Distribution of Wages: Evidence from Mexico and the United States,"
Journal of Political Economy, University of Chicago Press, vol. 113(2), pages 239-281, April.
- Daniel Chiquiar & Gordon H. Hanson, 2002. "International Migration, Self-Selection, and the Distribution of Wages: Evidence from Mexico and the United States," NBER Working Papers 9242, National Bureau of Economic Research, Inc.
- J. William Ambrosini & Karin Mayr & Giovanni Peri & Dragos Radu, 2015. "The selection of migrants and returnees in Romania," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 23(4), pages 753-793, October.
- Wei Sun, 2013. "The productivity of return migrants: the case of China’s “Sea Turtles”," IZA Journal of Migration and Development, Springer;Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA), vol. 2(1), pages 1-19, December.
- Amr Hosny & Magda Kandil & Hamid Mohtadi, 2014. "What does Egypt's Revolution Reveal about its Economy?," International Economic Journal, Taylor & Francis Journals, vol. 28(4), pages 589-611, December.
- David McKenzie & Caroline Theoharides & Dean Yang, 2014.
"Distortions in the International Migrant Labor Market: Evidence from Filipino Migration and Wage Responses to Destination Country Economic Shocks,"
American Economic Journal: Applied Economics, American Economic Association, vol. 6(2), pages 49-75, April.
- McKenzie, David & Theoharides, Caroline & Yang, Dean, 2012. "Distortions in the International Migrant Labor Market: Evidence from Filipino Migration and Wage Responses to Destination Country Economic Shocks," IZA Discussion Papers 6498, Institute of Labor Economics (IZA).
- McKenzie, David & Theoharides, Caroline & Yang, Dean, 2012. "Distortions in the international migrant labor market :evidence from Filipino migration and wage responses to destination country economic shocks," Policy Research Working Paper Series 6041, The World Bank.
- David McKenzie & Caroline Theoharides & Dean Yang, 2012. "Distortions in the International Migrant Labor Market: Evidence from Filipino Migration and Wage Responses to Destination Country Economic Shocks," RF Berlin - CReAM Discussion Paper Series 1209, Rockwool Foundation Berlin (RF Berlin) - Centre for Research and Analysis of Migration (CReAM).
- repec:dau:papers:123456789/5128 is not listed on IDEAS
- Mano, Yukichi & Iddrisu, Alhassan & Yoshino, Yutaka & Sonobe, Tetsushi, 2012.
"How Can Micro and Small Enterprises in Sub-Saharan Africa Become More Productive? The Impacts of Experimental Basic Managerial Training,"
World Development, Elsevier, vol. 40(3), pages 458-468.
- Yukichi Mano & Alhassan Iddrisu & Yutaka Yoshino & Tetsushi Sonobe, 2011. "How Can Micro and Small Enterprises in Sub-Saharan Africa Become More Productive? The Impacts of Experimental Basic Managerial Training," GRIPS Discussion Papers 11-06, National Graduate Institute for Policy Studies.
- Nichter, Simeon & Goldmark, Lara, 2009. "Small Firm Growth in Developing Countries," World Development, Elsevier, vol. 37(9), pages 1453-1464, September.
- David Roodman, 2011. "Fitting fully observed recursive mixed-process models with cmp," Stata Journal, StataCorp LP, vol. 11(2), pages 159-206, June.
- Augustin Coulon & Matloob Piracha, 2005.
"Self-selection and the performance of return migrants: the source country perspective,"
Journal of Population Economics, Springer;European Society for Population Economics, vol. 18(4), pages 779-807, November.
- Matloob Piracha & Augustin de Coulon, 2003. "Self-Selection and the Performance of Return Migrants: the Source Country Perspective," CEP Discussion Papers dp0576, Centre for Economic Performance, LSE.
- De Coulon, Augustin & Piracha, Matloob, 2003. "Self-selection and the performance of return migrants: the source country perspective," LSE Research Online Documents on Economics 20040, London School of Economics and Political Science, LSE Library.
- Nkechi S. Owoo & Wim Naudé, 2017. "Spatial proximity and firm performance: evidence from non-farm rural enterprises in Ethiopia and Nigeria," Regional Studies, Taylor & Francis Journals, vol. 51(5), pages 688-700, May.
- Annalee Saxenian, 2002. "Transnational Communities and the Evolution of Global Production Networks: The Cases of Taiwan, China and India," Industry and Innovation, Taylor & Francis Journals, vol. 9(3), pages 183-202.
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- Endalew Terefe Alene, 2023. "Examine the association between self-employment and return migrants in Ethiopia: evidence from Gondar city youth returnees," Journal of Innovation and Entrepreneurship, Springer, vol. 12(1), pages 1-22, December.
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More about this item
Keywords
Return Migration; Household firms;JEL classification:
- F22 - International Economics - - International Factor Movements and International Business - - - International Migration
NEP fields
This paper has been announced in the following NEP Reports:- NEP-AFR-2017-08-20 (Africa)
- NEP-ARA-2017-08-20 (MENA - Middle East and North Africa)
- NEP-ENT-2017-08-20 (Entrepreneurship)
- NEP-INT-2017-08-20 (International Trade)
- NEP-MIG-2017-08-20 (Economics of Human Migration)
- NEP-SBM-2017-08-20 (Small Business Management)
- NEP-URE-2017-08-20 (Urban and Real Estate Economics)
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