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来源类型 | Working Paper |
规范类型 | 报告 |
DOI | 10.3386/w27670 |
来源ID | Working 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 |
URL | https://www.nber.org/papers/w27670 |
来源智库 | National Bureau of Economic Research (United States) |
引用统计 | |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/585342 |
推荐引用方式 GB/T 7714 | Remi Jedwab,Adam Storeygard. The Average and Heterogeneous Effects of Transportation Investments: Evidence from Sub-Saharan Africa 1960-2010. 2020. |
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文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
w27670.pdf(418KB) | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 |
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