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Background: Severe air pollution in China threatens human health, and its negative impact decreases the urban settlement intentions of migrants in destination cities. We establish a comprehensive framework based on the push-pull migration model to investigate this phenomenon., Methods: We employ a logistic model to analyze air pollution's impact on the settlement intentions of the floating population based on the CMDS 2017 in China, combining the city-level socioeconomic variables with the individual-level variables., Results: Our results show that the annual average concentration of PM2.5 increases by 1 unit and that the probability of migrants' settlement intentions will decrease by 8.7%. Using a heterogeneity analysis, we find that the following migrant groups are more sensitive to air pollution: males, people over 30 years old, less educated people, and migrants with nonagricultural hukou. With every 1 unit increase in PM2.5, each group's settlement intentions decrease by 13.2, 16.7, 16.9, and 12.6%, respectively., Conclusions: Our results are consistent with existing studies. This study discovers that both external environment and internal factors influence migrants' settlement intentions. Specifically, the differences in population sizes, economic development levels, public services, infrastructure conditions, and environmental regulations between cities play a significant role in migration decisions. We also confirm heterogeneous sensitivities to air pollution of different migrant subgroups in terms of individual characteristics, family factors, migration features, social and economic attributes., (© 2021. The Author(s).)

China has witnessed a drop in the speed of its economic development from 14% to 6% since 2007. The literature has attributed "the miracle of China's economic growth" over the past four decades to the compatibility of political incentives and fiscal incentives. However, as the central government shifts its priorities from "development is the last word" to "lucid waters and lush mountains are invaluable assets", can local officials' political and financial incentives still achieve incentive compatibility? Theoretically and empirically, this paper examines the impact of the compatibility of political and financial incentives on local governments' environmental governance in different stages. We find that environmental performance has consistently been an important political promotion incentive for officials, especially after 2007. We also find that officials in cities with incentive compatibility have no promotion advantages over their opponents because incentive compatibility restrained the development of the manufacturing industry, leading to a suppression of the economic growth rate. Local governments sacrifice a certain economic growth rate - in other words, local fiscal revenue - in exchange for environmental quality improvements and adopt strategic actions to cater to the central government's new performance evaluation system, which focuses mainly on environmental protection assessment through strategic behavior., (Copyright © 2020 The Author(s). Published by Elsevier Ltd.. All rights reserved.)