We study peer effects in online training participation using unique data from a large-scale online teacher training program. The platform data allow us to observe the accurate duration of attendance for every individual-lecture pair. We classify peer groups as close peers, local peers, and...

Cutting-edge biotechnology, mainly consisting of gene editing, gene drives and gene synthesis, is developing and changing rapidly. It acts as a double-edged sword, bringing benefits to human development in many fields, such as medical treatment and agriculture, while also posing serious threats...

Recently, with the migration of wealthy Chinese elites becoming increasingly prevalent, the market has come to believe that firms with controlling persons with foreign residency rights have serious agency problems. We study the impact of controlling persons with foreign residency rights on...