Where Do U.S. Immigrants Come From, and Why?
收藏NBER2002-06-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w8998
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资源简介：
The United States has experienced rising immigration levels and changing source since the 1950s. The changes in source have been attributed to the 1965 Amendments to the Immigration Act that abolished country-quotas and replaced them with a system that emphasized family reunification. Some believed
提供机构：
美国国家经济研究局
创建时间：
2002-06-01
