At the 75th session of the United Nations General Assembly, President Xi pledged that China will make every effort to peak its carbonemissions before 2030 and achieve carbonneutrality before 2060. Recently, dean Liu Qia...

In a recent paper forthcoming at RAND Journal of Economics, Professors Xi Weng and Li-An Zhou and their coauthors exploit the staggered entry of two dockless bike-sharing firms to study whether the entrant expands or st...