Anderson, James; Wincoop, Eric van - Department of Economics, Boston College - 2004
This paper surveys the measurement of trade costs - what we know, and what we don't know but may usefully attempt to … find out. Partial and incomplete data on direct measures of costs go together with inference on implicit costs from trade … flows and prices. Total trade costs in rich countries are large. The ad valorem tax equivalent is about 170% when pushing …