Using representative and geocoded data from the Swiss Household Panel (SHP) and the Swiss Business Census, we estimate the effect of sports activity on health. OLS models show that sports activity significantly decreases overweight, sleeping problems, headaches, back problems, and perceived...

Theory predicts that the interaction type within a team moderates the impact of talent disparity on team productivity. Using panel data from professional German soccer teams, we test talent composition effects at different team levels characterized by different interaction types. At the match...