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移民与企业动态:来自美国企业的证据

Immigration and Business Dynamics: Evidence from U.S. Firms
Journal of the European Economic Association · 2024 · Parag Mahajan

中文摘要

本文使用全面收集的调查数据和行政数据,研究移民对美国地方企业动态的影响。研究发现,移民对雇主生产率分布中不同位置的企业具有异质性影响,这些影响有利于生产率较高的企业,并提高了当地平均收入。企业退出边际对移民流入的反应尤为重要。移民流入淘汰了低生产率企业的经营单位,同时保留了高生产率企业的经营单位。总体而言,退出减少解释了移民引致就业创造的43%和移民引致收入增长的41%。一个一般均衡模型提出了一种将移民劳动者与高生产率雇主联系起来的机制,并表明,将雇主生产率分布的变化纳入考量后,对移民所创造经济剩余的估计可能显著高于经典劳动需求模型的估计。

Abstract

Abstract This paper studies the impact of immigration on U.S. local business dynamics using a comprehensive collection of survey and administrative data. It finds heterogeneous impacts across the employer productivity distribution that favor higher-productivity firms and lead to increases in average local earnings. Responses to immigration along the exit margin are particularly important. Immigrant inflows cull establishments from low-productivity firms while preserving establishments from high-productivity firms. Overall, reduced exit accounts for 43% of immigrant-induced job creation and 41% of immigrant-induced earnings growth. A general equilibrium model proposes a mechanism that ties immigrant workers to high-productivity employers and shows how accounting for changes to the employer productivity distribution can yield substantially larger estimates of immigrant-generated economic surplus than canonical models of labor demand.
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