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来源类型Working Paper
规范类型报告
DOI10.3386/w27670
来源IDWorking Paper 27670
The Average and Heterogeneous Effects of Transportation Investments: Evidence from Sub-Saharan Africa 1960-2010
Remi Jedwab; Adam Storeygard
发表日期2020-08-17
出版年2020
语种英语
摘要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 cannot fully rule out natural increase or reallocation across cities.
主题International Economics ; Trade ; Development and Growth ; Development ; Regional and Urban Economics ; Regional Economics
URLhttps://www.nber.org/papers/w27670
来源智库National Bureau of Economic Research (United States)
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条目标识符http://119.78.100.153/handle/2XGU8XDN/585342
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Remi Jedwab,Adam Storeygard. The Average and Heterogeneous Effects of Transportation Investments: Evidence from Sub-Saharan Africa 1960-2010. 2020.
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