Chen, Tuo; Hsieh, Chang-tai; Song, Zheng Michael - National Bureau of Economic Research - 2022
We use Chinese customs data to show that unofficial non-tariff barriers were responsible for 50\% of the overall …-tariff barriers from the change in imports of U.S. products relative to imports from other countries of the same HS-6 product, after … controlling for the change in the relative price of U.S. imports to the same product sold by other countries. These barriers were …