Unter der Annahme eines prinzipiell seinen Nutzen zu maximieren versuchenden den homo socio-oeconomicus sollten entsprechende Motive aus der Vielzahl theoretisch denkbarer Motive zu ehrenamtlichem Engagement dominant sein. Da diese Motive jedoch im Gegensatz zu altruistischen sozial...

While existing research supports that participation in high-school athletics is associated with better education and labour-market outcomes, the mechanisms through which these benefits accrue are not well established. We use data from a large public-school district to retrieve an estimate of the...

This article describes the entrepreneurial development and professionalism of ultradistance running (ultrarunning) in South Korea, culminating with the hosting of the IAU World Cup 100K in 2006. This case study-based research provides evidence of various macro-environmental and individual...

This paper isolates the causal effect of policing on group violence, using unique panel data on self-reported crime by soccer and ice hockey hooligans. The problem of reverse causality from violence to policing is solved by two drastic reallocations of the Stockholm Supporter Police unit to...

The passage of Title IX, the 1972 Education Amendments to the Civil Rights Act, expanded high school athletic opportunities to include girls, revolutionizing mass sports participation in the United States. This paper analyzes high school athletic participation in the United States and how sports...

This paper studies how surveillance cameras affect unruly spectator behaviour in the highest Swedish soccer league. Swedish stadiums introduced surveillance cameras at different points in time during the years 2000 and 2001. I exploit the exogenous variation that occurred due to differences...