Using the 2012-13 American Time Use Survey, I find that both who people spend time with and how they spend it affect their happiness, adjusted for numerous demographic and economic variables. Satisfaction among married individuals increases most with additional time spent with spouse. Among...

This paper studies the interactions between an individual's self esteem and his social environment in the workplace, at school, and in personal relationships. Because a person generally has only imperfect knowledge of his own abilities, people who derive benefits from his performance (parent,...

This paper uses a unique data set to measure peer effects among college age roommates. Freshman year roommates and dormmates are randomly assigned at Dartmouth College. I find that in this group, peer effects are very important in determining levels of academic effort and in decisions to join...

Using randomized methodologies, we study a common community HIV/AIDS program that seeks to promote HIV testing by improving knowledge and reducing stigmatizing attitudes. Contrary to expectations, the program has a substantial negative effect on HIV testing rates. We provide evidence of likely...

Racial social isolation within and across workplaces may reduce firm productivity. We provide descriptive evidence that African-Americans feel socially isolated from Whites. To test whether isolation affects productivity, we estimate models of Total Factor Productivity for manufacturing firms...

Does knowledge about antipoverty programs spread quickly within poor communities or are there significant frictions, such as due to social exclusion? We combine longitudinal and intra-household observations in estimating the direct knowledge gain from watching an information movie in rural...

Comparing self-reports to administrative data records on diagnosis and prescription drug use, we find that survey respondents under-report mental health conditions 36% of the time when asked about diagnosis and about 20% of the time when asked about prescription drug use. Survey respondents are...

About 11% of the Chinese population are rural-urban migrants with a rural hukou that severely restricts their children's access to urban schools. As a result, 69 million children are left behind in rural areas. We use two regression-discontinuity designs - based on school enrollment age cutoffs...

We evaluate an intervention designed to increase teachers' awareness of social isolation by providing them with their own students' social network and information on developmental risks associated with social exclusion. Using friendship data and incentive-compatible measures of antisocial and...

According to the widely known 'culture of honor' hypothesis from social psychology, traditional herding practices are believed to have generated a value system that is conducive to revenge-taking and violence. We test this idea at a global scale using a combination of ethnographic records,...