Davis, Lucas W.; Kahn, Matthew E. - In: American Economic Journal: Economic Policy 2 (2010) 4, pp. 58-82
Since trade restrictions were eliminated in 2005, Mexico has imported over 2.5 million used vehicles from the United States. Using a unique, vehicle-level dataset, we find that traded vehicles are dirtier than the stock of vehicles in the United States and cleaner than the stock in Mexico, so...