Will the Doha Round Lead to Preference Erosion?
---- Acknowledgments ----
This paper was written when both authors were at the IMF Research Department. We thank Kalpana Khochar, Raghu Rajan, Arvind Subramanian, and Shang-Jin Wei for helpful comments. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.