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This paper focuses on the role of high-speed rail (HSR) in promoting talent mobility and explores its heterogeneous impact in the employment distribution of local and neighboring regions. This empirical study uses data from 249 prefecture-level cities across the country from 2005 to 2018, combined with geographic spatial vector data. The results show that HSR connection significantly increases local city employment by 5.99%. This result is robust to a series of robustness tests. Heterogeneity results indicate that HSR connection has a significant positive effect on employment in eastern China and large cities, indicating a significant labor inflow from less-developed areas to more-developed areas. Moreover, HSR has a spill-over effect for employment in cities without HSR stations but within a 70 km radius. This spill-over effect is more salient for cities of medium size and in southern China. The mechanism analysis shows that the positive impact of HSR connection on employment mainly stems from the entry of new firms especially those in high-tech industries. This study not only highlights the important role of high-speed rail in promoting labor mobility and employment distribution but also provides strong evidence and insights on how to meet the demand for professionals in closed-loop system innovation and circular economy practices. [ABSTRACT FROM AUTHOR]

We investigate how highway connections influenced the entry of polluting firms based on panel data from 257 Chinese prefectures from 1998 to 2012. We also investigate the heterogeneity and influencing channels. We use the generalized difference-in-difference method as a tool in the empirical analysis. We have three main findings. First, highway connections increased the entry of polluting firms by 54.5 percent. Second, the heterogeneity analysis shows that this effect is mainly caused by prefectures on provincial borders, prefectures in central China, and prefectures with more than 1 million residents in urban districts. Third, highway connections reduced the concern about environmental protection by local governments of prefectures on provincial boundaries but increased concern about local governments of prefectures in interior regions. The concern about employment increased regardless of a prefecture's location in a province. These results indicate that less developed regions, i.e., those on provincial boundaries, valued the benefit of job creation for welfare improvement more than the harm of pollution. Hence, they intentionally reduced environmental regulation to induce polluting firms' entry. Our results provide new and insightful insights into the transition of economic development to a sustainable path, especially in developing countries. [ABSTRACT FROM AUTHOR]