{"title":"移民摩擦下的高速公路建设、劳动力再分配与福利收益","authors":"Yang Xu, Xi Yang","doi":"10.1111/jors.12778","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>This paper studies the implications of the extent of labor reallocation for the welfare impacts of spatial policies. Migration frictions lead to imperfect spatial arbitrage in individual well-being, making the impacts of spatial policies dependent on the extent of labor reallocation. We quantify the welfare gains from highway construction in China between 2000 and 2013 under limited labor reallocation with unbalanced labor flows, and compare them to the gains under flexible labor reallocation, where labor flows balance in each city. We show that flexible reallocation amplifies the welfare gains by 19%, with the reduced migration frictions contributing more to the overall welfare gain. It also weakens the welfare distributional effects of highways by reversing migration flows between small and large cities.</p>\n </div>","PeriodicalId":48059,"journal":{"name":"Journal of Regional Science","volume":"65 4","pages":"1156-1178"},"PeriodicalIF":2.7000,"publicationDate":"2025-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Highway Construction, Labor Reallocation, and Welfare Gains Under Migration Frictions\",\"authors\":\"Yang Xu, Xi Yang\",\"doi\":\"10.1111/jors.12778\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n <p>This paper studies the implications of the extent of labor reallocation for the welfare impacts of spatial policies. Migration frictions lead to imperfect spatial arbitrage in individual well-being, making the impacts of spatial policies dependent on the extent of labor reallocation. We quantify the welfare gains from highway construction in China between 2000 and 2013 under limited labor reallocation with unbalanced labor flows, and compare them to the gains under flexible labor reallocation, where labor flows balance in each city. We show that flexible reallocation amplifies the welfare gains by 19%, with the reduced migration frictions contributing more to the overall welfare gain. It also weakens the welfare distributional effects of highways by reversing migration flows between small and large cities.</p>\\n </div>\",\"PeriodicalId\":48059,\"journal\":{\"name\":\"Journal of Regional Science\",\"volume\":\"65 4\",\"pages\":\"1156-1178\"},\"PeriodicalIF\":2.7000,\"publicationDate\":\"2025-05-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Regional Science\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/jors.12778\",\"RegionNum\":3,\"RegionCategory\":\"经济学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ECONOMICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Regional Science","FirstCategoryId":"96","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jors.12778","RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ECONOMICS","Score":null,"Total":0}
Highway Construction, Labor Reallocation, and Welfare Gains Under Migration Frictions
This paper studies the implications of the extent of labor reallocation for the welfare impacts of spatial policies. Migration frictions lead to imperfect spatial arbitrage in individual well-being, making the impacts of spatial policies dependent on the extent of labor reallocation. We quantify the welfare gains from highway construction in China between 2000 and 2013 under limited labor reallocation with unbalanced labor flows, and compare them to the gains under flexible labor reallocation, where labor flows balance in each city. We show that flexible reallocation amplifies the welfare gains by 19%, with the reduced migration frictions contributing more to the overall welfare gain. It also weakens the welfare distributional effects of highways by reversing migration flows between small and large cities.
期刊介绍：
The Journal of Regional Science (JRS) publishes original analytical research at the intersection of economics and quantitative geography. Since 1958, the JRS has published leading contributions to urban and regional thought including rigorous methodological contributions and seminal theoretical pieces. The JRS is one of the most highly cited journals in urban and regional research, planning, geography, and the environment. The JRS publishes work that advances our understanding of the geographic dimensions of urban and regional economies, human settlements, and policies related to cities and regions.
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