local students in Shanghai, where local students all go to public schools, but migrant students are endogenously selected … all student groups. We conduct policy experiments to examine the effect of transferring migrant students from private …

role models on female preferences for STEM majors. We conduct a randomized control trial where female senior students … selected high schools. We find that exposure to this treatment increases high ability female students' preferences for … engineering programs by 14 percentage points. The effect is only statistically significant for the subgroup of female students …