When people immigrate to the United States from countries with less economic freedom, they do not dampen economic freedom in their destination states. We use the Economic Freedom of North America report to rate the economic freedom of US states, and we group immigrants by how far below the United States their origin countries score in the Economic Freedom of the World report. Our major findings hold true even when states receive immigrants from countries with far less economic freedom. Most relationships between immigration and the US states' economic freedom scores are neither statistically nor economically significant.

中文翻译：

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美国各州的移民与经济自由：移民原籍国的制度质量重要吗？

当人们从经济自由度较低的国家移民到美国时，他们不会削弱目的地州的经济自由度。我们使用北美经济自由度报告对美国各州的经济自由度进行评级，并根据移民原籍国在世界经济自由度报告中的得分低于美国的程度对移民进行分组。即使各州接收来自经济自由度低得多的国家的移民，我们的主要发现仍然成立。移民与美国各州经济自由度得分之间的大多数关系既不具有统计意义，也不具有经济意义。