Gendron-Carrier et al. (2022) studies the effect of subway openings on urban air pollution. The authors find a null average effect, but a negative effect in cities with high initial pollution. In this comment, I perform several robustness checks on the negative effect for high-pollution cities,...

The Mexican land reform, one of the most sweeping in the world, proceeded in two steps: it granted peasants highly incomplete property rights on more than half of the Mexican territory starting in 1914, creating strong economic and political dependence for beneficiaries on the ruling political...

We design an infrastructure experiment in Mexico to evaluate the impact of street pavement on housing values and household outcomes. We find that the provision of street pavement raises housing values by 16% and land values by 54%, according to professional appraisals. Using homeowner...