Intra-national Trade Costs: Measurement and Aggregation
NBER Working Paper No. 19872
---- Acknowledgments ----
Keith Head, Mario Larch, Thierry Mayer, Peter Neary and Dennis Novy improved this paper with comments on earlier drafts. We also thank participants of seminars at LSE, Oxford, Sciences Po and Warwick. This research is supported by the Public Policy Forum, Industry Canada, and the Internal Trade Secretariat, Canada. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.