In an effort to reduce air pollution and congestion, Latin American cities have experimented with different policies to …—more cars on the road and higher pollution levels—but also remarkably similar in two important aspects: on how policy responses …

pollution and weather on the date and in the place they were surveyed. People with higher incomes report higher levels of … happiness, and people interviewed on days with worse local air pollution report lower levels of happiness. Combining these two … differential for short-term changes in air pollution. …

cost and own damage and injury). Driving faster also has external costs (pollution, adverse health impacts and injury to …