This paper studies consequences of the very large exchange rate depreciation occurring in June 2016 due to the UK electorate unexpectedly voting to leave the European Union. As news of a leave vote came in, the value of sterling plummeted, recording the biggest one day depreciation of any of the world’s four major currencies since the collapse of Bretton Woods. The prospect of Brexit really happening generated sizable differences in how much sterling depreciated against different currencies. Coupled with pre-referendum cross-country trade patterns, this generated variations in exchange rate depreciations facing businesses in different industries. The paper first considers revenue and cost channels operating through trade price responses, of...