This paper uses fare changes in Mexico City, Guadalajara, and Monterrey to estimate the price elasticity of demand for urban rail transit. In two of the cases there is a significant fare increase (30%+), and in the third there is a 60-day fare holiday. Ridership responds sharply in the expected...

In 1989, the government of Mexico City introduced a program, Hoy No Circula, that bans most drivers from using their vehicles one weekday per week on the basis of the last digit of the vehicle’s license plate. This article measures the effect of the driving restrictions on air quality using...

Despite growing enthusiasm, there is little empirical evidence on how well energy efficiency investments work. Evidence is particularly lacking from low- and middle-income countries, despite a widespread view that these countries have many of the best opportunities. This paper evaluates a field...

Retail petroleum markets in Mexico are on the cusp of a historic deregulation. For decades, all 11,000 gasoline stations nationwide have carried the brand of the state-owned petroleum company Pemex and sold Pemex gasoline at federally regulated retail prices. This industry structure is changing,...