This paper provides an economic framework for examining how economic openness affects nationalism. Within a country, a region's level of nationalism varies according to its economic interests in its domestic market relative to its foreign market. All else being equal, increasing a region's...

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...