Using supplier-level trade data, we estimate the effect on consumer welfare from changes in U.S. imports both in the aggregate and for different household income groups from 1998 to 2014. To do this, we use consumer preferences which feature non-homotheticity both within sectors and across...

Costs to switching suppliers can affect prices by discouraging buyer movements from high to low cost sellers. This paper uses confidential U.S. Customs data on U.S. importers and their Chinese exporters to investigate these costs. I find considerable barriers to supply chain adjustments: 45% of...

We examine the impacts of the 2018-2019 U.S. import tariff increases on U.S. export growth through the lens of supply chain linkages. Using 2016 confidential firm-trade linked data, we document the implied incidence and scope of new import tariffs. Firms that eventually faced tariff increases on...