NBER

Remi Jedwab

George Washington University
Department of Economics #310
2115 G Street, NW, Washington, DC 20052

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Institutional Affiliation: George Washington University

NBER Working Papers and Publications

August 2020The Average and Heterogeneous Effects of Transportation Investments: Evidence from Sub-Saharan Africa 1960-2010
with Adam Storeygard: w27670
Previous work on transportation investments has focused on average impacts in high- and middle-income countries. We estimate average and heterogeneous effects in a poor continent, Africa, using roads and cities data spanning 50 years in 39 countries. Using changes in market access due to distant road construction as a source of exogenous variation, we estimate a 30-year elasticity of city population with respect to market access of about 0.08-0.13. Our results suggest that this elasticity is stronger for small and remote cities, and weaker in politically favored and agriculturally suitable areas. Access to foreign cities besides international ports matters little. Additional evidence points suggestively to rural-urban migration as the primary source of this population increase, though we c...
September 2013The Value of Democracy: Evidence from Road Building in Kenya
with Robin Burgess, Edward Miguel, Ameet Morjaria, Gerard PadrĂ³ i Miquel: w19398
Ethnic favoritism is seen as antithetical to development. This paper provides credible quantification of the extent of ethnic favoritism using data on road building in Kenyan districts across the 1963-2011 period. Guided by a model it then examines whether the transition in and out of democracy under the same president constrains or exacerbates ethnic favoritism. Across the 1963 to 2011 period, we find strong evidence of ethnic favoritism: districts that share the ethnicity of the president receive twice as much expenditure on roads and have four times the length of paved roads built. This favoritism disappears during periods of democracy.

Published: Robin Burgess & Remi Jedwab & Edward Miguel & Ameet Morjaria & Gerard PadrĂ³ i Miquel, 2015. "The Value of Democracy: Evidence from Road Building in Kenya," American Economic Review, American Economic Association, vol. 105(6), pages 1817-51, June. citation courtesy of

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