Published Papers


Demand for Value Added and Value-Added Exchange Rates

American Economic Journal: Macroeconomics, forthcoming (with R. Bems)


A Portrait of Trade in Value Added over Four Decades

The Review of Economics and Statistics, forthcoming (with G. Noguera)


Journal of Economics Perspectives, 28 (2), 2014


The Great Trade Collapse

Annual Review of Economics, 5 (1), 2013 (with R. Bems and K.M. Yi)


Proximity and Production Fragmentation

American Economic Review (Papers & Proceedings), 102 (3), 2012 (with G. Noguera)


Accounting for Intermediates: Production Sharing and Trade in Value Added 

Journal of International Economics, 86 (2), 2012 (with G. Noguera)


Trade and Prices with Heterogeneous Firms

Journal of International Economics, 86 (1), 2012


Vertical Linkages and the Collapse of Global Trade  

American Economic Review (Papers & Proceedings), 101 (3), 2011 (with R. Bems and K.M. Yi)


Demand Spillovers and the Collapse of Trade in the Global Recession

IMF Economic Review, 58 (2), 2010 (with R. Bems and K.M. Yi)


Working Papers


Global Supply Chains and Trade Policy

August 2017 (with E. Blanchard and C. Bown)


Technology, Trade Costs, and the Pattern of Trade with Multistage Production

November 2016 (with A. Moxnes)