This paper investigates how exposure to higher-achieving male and female peers in university affects students’ major … choices and labor market outcomes. For identification of causal effects, we exploit the random assignment of students to …

. They find that, in the 1950s and 1960s, voting for the "left" was associated with lower-educated and low-income voters …. After that, voting for the "left" has gradually become associated with higher-educated voters, while high-income voters have … continued to vote for the "right". In the 2010s, there is a disconnection between the effects of income and education on voting …

achievement. We exploit random assignment of students to university sections and find that students perform better in the presence … of more persistent peers and more risk-averse peers. In particular, low-persistence students benefit from highly …-persistent peers without devoting additional efforts to studying. However, highly-persistent students are not affected by the …

achievement. We exploit random assignment of students to university sections and find that students perform better in the presence … of more persistent peers and more risk-averse peers. In particular, low-persistence students benefit from highly …-persistent peers without devoting additional efforts to studying. However, highly-persistent students are not affected by the …