What is the Contribution of Mexican Immigration to U.S. Crime Rates? Evidence from Rainfall Shocks in Mexico
What is the Contribution of Mexican Immigration to U.S. Crime Rates? Evidence from Rainfall Shocks in Mexico
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墨西哥移民对美国犯罪率有何贡献？
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
Aaron Chalfin
中科院分区：
文献类型：
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作者：
Aaron Chalfin
本文使用一种工具，利用墨西哥不同地区降雨量的时间变化以及墨西哥-美国地区移民网络的持续性，确定了墨西哥移民对犯罪的因果影响。该仪器背后的直觉是，墨西哥天气模式的偏差隔离了墨西哥移民分配到美国城市的准随机变化。我的发现表明，墨西哥移民与美国城市的暴力或财产犯罪率没有明显变化。
This paper identifies a causal effect of Mexican immigration on crime using an instrument that leverages temporal variation in rainfall in different regions in Mexico as well as persistence in regional Mexico–U.S. migration networks. The intuition behind the instrument is that deviations in Mexican weather patterns isolate quasi-random variation in the assignment of Mexican immigrants to U.S. cities. My findings indicate that Mexican immigration is associated with no appreciable change in the rates of either violent or property crimes in U.S. cities.