This paper estimates the productivity gains from reducing tariffs on final goods and from reducing tariffs on intermediate inputs. Lower output tariffs can increase productivity by inducing tougher import competition, whereas cheaper imported inputs can raise productivity via learning, variety,...

Economic models that do not incorporate financial frictions only explain about 70 to 80 percent of the decline in world trade that occurred in the 2008-2009 crisis. We review evidence that shows financial factors also contributed to the great trade collapse and uncover two new stylized facts in...

Large exporters are simultaneously large importers. We show that this pattern is key to understanding low aggregate exchange rate pass-through as well as the variation in pass-through across exporters. We develop a theoretical framework with variable markups and imported inputs, which predicts...