My main research interests are in macroeconomics, international economics, and information economics.
Work in progress
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Unbundling labor online version (with Simon Mongey), September 2026.
- Paper
- Very old slides, August 2022
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The spatial distribution of markups (with Jonathan Becker, Virgiliu Midrigan and Daniel Yi Xu), September 2026.
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Competition, markups, and inflation: Evidence from Australian firm-level data (with Monique Champion and Jonathan Hambur), JPE: Macro, revise and resubmit, October 2025.
Selected publications
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How costly are markups? online version (with Virgiliu Midrigan and Daniel Yi Xu), Journal of Political Economy, July 2023
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Creating confusion (with Yang K. Lu), Journal of Economic Theory, January 2021
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Competition, markups, and the gains from international trade (with Virgiliu Midrigan and Daniel Yi Xu), American Economic Review, October 2015
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Information manipulation, coordination, and regime change, Review of Economic Studies, October 2013
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Aggregate implications of micro asset market segmentation (with Pierre-Olivier Weill), Journal of Monetary Economics, May 2012
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Income dispersion and counter-cyclical markups (with Laura Veldkamp), Journal of Monetary Economics, September 2009
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Sluggish responses of prices and inflation to monetary shocks in an inventory model of money demand (with Fernando Alvarez and Andrew Atkeson), Quarterly Journal of Economics, August 2009
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An integral equation representation for overlapping generations in continuous time, Journal of Economic Theory, November 2008
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Self-insurance, social insurance, and the optimum quantity of money, American Economic Review (Papers and Proceedings), May 2002