Multi Product Firms, Import Competition, and the Evolution of Firm-product Technical Efficiencies
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NBER Working Paper No. 23637
---- Acknowledgments ----
We thank Andrew Bernard, Jan De Loecker, Swati Dhingra, Penni Goldberg, John Haltiwanger, Marc Muendler, Peter Schott, Chad Syverson, Dan Trefler, and seminar participants at the 2014 NBB Conference, Riksbank, the 11th International Conference, Monash University, Mannheim, EITI2015, IIOC2015, ATW2015, Rice University, Texas A&M, DIEW2015, NOITS2015, Uppsala, the final COMPNET conference, ESWC2015, LSE, Hong Kong University, UCD, Lund, Toronto, UCLouvain, Chicago Fed, RIDGE, AEA2017, Bundesbank, and SED2017. Petrin, Smeets and Warzynski thank the National Bank of Belgium for its financial support. The authors are also extremely grateful for the data support provided by the NBB Statistical department. All presented results respect the all confidentiality restrictions associated with the data sources. The views expressed are those of the authors and do not necessarily reflect the views of the NBB or the National Bureau of Economic Research. All errors are ours.