My active research includes projects on (1) information costs and peer effects in school choice and (2) voter information and political polarization.
Joe Altonji, Rick Mansfield, and I have extended the Altonji-Mansfield model for selection on unobservables to: (1) Disaggregate location vs school effects after accounting for peer effects. We show that under reasonable assumptions, our model provides an upper bound on peer effects (and thus a lower bound on school effects). We find that for student outcomes, neighborhood effects are close to 0, but that school and commuting-zone effects are quite important. (2) Test whether vertical school quality has a heterogeneous effect on student outcomes. We find no evidence for this type of heterogeneity. Draft of working paper is available upon request.