Caspi et al. (2002, 2003), Guo et al. (2008a), and Pescosolido et al. (2008) all claim to have demonstrated allele-by-environment interactions, but in all cases environmental influences are potentially endogenous to the unmeasured genetic characteristics of the subjects and their families. Thus,...

What determines the intensity and objects of hatred? Hatred forms when people believe that out-groups are responsible for past and future crimes, but the reality of past crimes has little to do with the level of hatred. Instead, hatred is the result of an equilibrium where politicians supply...

We use the fall of the Berlin Wall in 1989 to show that personal relationships which individuals maintain for non-economic reasons can be an important determinant of regional economic growth. We show that West German households who have social ties to East Germany in 1989 experience a persistent...

What happens when immigrant girls are given increased opportunities to integrate into the workplace and society, but their parents value more traditional cultural outcomes? Building on Akerlof and Kranton’s identity framework (2000), we construct a simple game-theoretic model which shows how...

This paper deals with the labor market entrance of young people in the Federal Republic" of Germany. The main focus is on failures during this stage. First, an overview of the youth" labor market in Germany is given. Then, the transition from vocational training to work is" analyzed: The...

Ownership patterns for young (under 45) married couples are striking in two respects. First, ownership rates rise dramatically with age: couples 35- 44 consistently have ownership rates nearly 50 percentage points higher than couples under 25. Second, half of the sharp ownership gains of young...

Younger men, ages 21 to 30, exhibited a larger decline in work hours over the last fifteen years than older men or women. Since 2004, time-use data show that younger men distinctly shifted their leisure to video gaming and other recreational computer activities. We propose a framework to answer...

We consider the relationship between collegiate-football success and non-athlete student performance. We find that the team's success significantly reduces male grades relative to female grades. This phenomenon is only present in fall quarters, which coincides with the football season. Using...

We analyze the effects of a school-based incentive program on children's exercise habits. The program offers children an opportunity to win prizes if they walk or bike to school during prize periods. We use daily child-level data and individual fixed effects models to measure the impact of the...

As economic recessions reduce employment and wages, associated shifts in time and income constraints would be expected to also impact individuals' health behaviors. Prior work has focused exclusively on recreational exercise, which typically represents only about 4% of total daily physical...