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한국관련자료
Do Low-skilled Immigrants Improve Native Productivity but Worsen Local Amenities? Learning from the South Korean Experience
NBER
2022.10.12
In this study, we first evaluate the effect of a significant increase in low-skilled immigration in Korean municipalities from 2010-2015 on the internal migration of natives. Using Korean survey data we are able to distinguish between natives moving for work-related and non-work-related reasons. Using a change in immigration policy and the pre-existing networks of immigrants to construct an instrument for immigration across Korean municipalities, we find that locations experiencing significant low-skilled immigration attracted natives who moved for working purposes. However, these locations saw outflows of natives that moved for non-work-related reasons, such as due to housing and local amenities. We then estimate that immigration had positive effects on local firm creation and on native wages but reduced the quality of local amenities. It had small to no impact on local housing prices. These facts together suggest that immigration attracted natives who value labor income over local amenities but pushed out those who place a higher value on local amenities. Thus, immigration, while generating little net native migration, changed the composition of natives in Korean municipalities.