A mother’s decision to participate in the labour market is correlated with those of the other mothers living in the same neighbourhood. This paper studies the extent to which this is causal. An identification problem exists because mothers with similar characteristics are often observed living...

In France as in the US, the participation of a mother in the labour market is influenced by the sex of her oldest siblings. Same-sex mothers tend to have more children and to work significantly less than the other mothers. In contrast, the sex of the oldest siblings does not have any perceptible...

This paper proposes a theory for the social evolution of obesity. It considers a society, in which individuals experience utility from consumption of food and non-food, the state of their health, and the evaluation of their appearance by others. The theory explains why, ceteris paribus, poor...

This study analyzes the sensitivity of US giving to both business cycle fluctuations and trend growth. With tax revenues as a point of reference, US giving constitutes a relatively stable source of revenue. Total giving is characterized by a business cycle volatility which is comparable to the...

This paper studies the relevance of social interactions among the unemployed. Identification is based on a salient and selective extension of the potential duration of unemployment benefits. If social interactions are important, this policy change affects entitled individuals not only directly,...

Understanding whether criminal behavior is contagious is important for law enforcement and for policies that affect how people are sorted across social settings. We test the hypothesis that criminal behavior is contagious by using data from the Moving to Opportunity (MTO) randomized...

We study peer effects in crime by analyzing co-offending networks. We first provide a credible estimate of peer effects in these networks equal to 0.17. This estimate implies a social multiplier of 1.2 for those individuals linked to only one co-offender and a social multiplier of 2 for those...

Using detailed data on a cohort of young Americans who were in their late twenties and early thirties in 2008, we investigate the importance of forces different from economic incentives in nest-leaving decisions. We apply recent methods from social network econometrics to identify the importance...

Minimum prices above the market level can lead to ineffcient production and oversupply. We investigate whether this effect is even more pronounced when decision makers are influenced by their social environment. Using data of minimum prices for renewable energy production in Germany, we analyze...