Fragmentation and Trade in Value Added over Four Decades
---- Acknowledgments ----
We thank Rudolfs Bems, Emily Blanchard, Donald Davis, Andreas Moxnes, Nina Pavcnik, Jonathan Vogel, David Weinstein, and Kei-Mu Yi for helpful conversations, as well as seminar participants at Columbia, the IMF, MIT, the NBER Spring ITI Meetings, University of Colorado, and University of Houston. Johnson thanks the Rockefeller-Haney fund at Dartmouth College for financial support, and Joseph Celli, Michael Lenkeit, and Sean Zhang for research assistance. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.