Are Small Firms Labor Constrained? Experimental Evidence from Ghana
نویسندگان
چکیده
Small firms in developing countries are typically modeled as facing a frictionless market for workers, characterized by low search costs, full information, and a lack of regulation. We report the results of a field experiment that randomly placed unemployed young people as apprentices with small firms in Ghana. The program provided a novel worker screening technology to firms (in addition to simply reducing search costs), as (voluntary) participation included non-monetary costs for unemployed young people applying to the program. We find that firms that were o↵ered apprentices by the program hired and retained them for at least six months (the end of our study window). Secondly, each assigned apprentice is associated with monthly increases of approximately 25 USD in revenue and 10 USD in profits (about 7-10% of baseline). Together, these findings suggest the presence of economically significant search costs in our context. Moreover, we present strong suggestive evidence of substantial heterogeneity in these returns as a function of (unobserved) worker ability. This final result highlights the importance of screening in firms’ hiring decisions, and echoes the widespread use of an entry fee mechanism to hire apprentices in our baseline labor market. A simple model in which productivity di↵erences associated with worker ability necessitate costly screening can predict the impacts of our program. Our findings have implications for understanding labor markets in low-income countries, and in particular suggest that high youth unemployment in developing economies could be the result, at least in part, of substantial labor market frictions. JEL Classifications: D22, D61, J23, J38, J46, M51, M53, O12, O14, O15 Total Word Count: About 11,000 We are grateful to Michael Anderson, David Card, Fenella Carpena, Kenneth Chay, Garret Christensen, Ben Faber, Lauren Falcao, Fred Finan, Andrew Foster, Willa Friedman, Francois Gerard, Paul Gertler, David Glancy, Tadeja Gracner, Bryan Graham, Jonas Hjort, Hedvig Horvath, Pat Kline, Attila Linder, Jeremy Magruder, Isaac Mbiti, David McKenzie, Costas Meghir, Edward Miguel, Owen Ozier, Ana Rocca, Adina Rom, Michael Walker, Christopher Woodru↵ and seminar participants at UC Berkeley, Brown, UBC, Kellogg, UC Davis ARE, Mathematica, the American Institutes for Research, the Pacific Conference for Development Economics (PACDEV), the Global Development Network (GDN) Conference, and the NBER Summer Institute session on Productivity, Innovation, and Entrepreneurship for helpful comments and suggestions. We also thank Lois Aryee, Robert Obenya, Charles Sefenu, Yani Tyskerud, Thomas Zubevial, and Innovations for Poverty Action for excellent research assistance in the field. This research was supported by funding from the NSF Graduate Research Fellowship, the Ewing Marion Kau↵man Foundation, the IBER at UC Berkeley, 3ie, and USAID. All errors are our own. CORRESPONDING AUTHOR: Jamie McCasland, 928-1873 East Mall, Vancouver, BC Canada V6T 1Z1, Phone: 604-822-4988, Fax: 604-822-5915, Email: [email protected].
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