A detailed longitudinal dataset is assembled containing annual performance and biographical data for every player over the entire history of professional major league baseball. The data are then aggregated to the team level for the period 1920-2009 in order to test whether teams built on a more...

A detailed longitudinal dataset is assembled containing annual performance and biographical data for every player over the entire history of professional major league baseball. The data are then aggregated to the team level for the period 1920-2009 in order to test whether teams built on a more...

Designing occupational regulations capable of balancing the need to protect consumers on the one hand with the need to minimize barriers to employment and entrepreneurship on the other has become a public policy priority in many countries, including China. In a State Council executive meeting on...