Research

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Publications 

Financial Contracting with Enforcement Externalities
​(Journal of Economic Theory, Vol. 178, No. 178, pp.153-189, 2018)

Slides
Working Paper
Online Appendix

​Modeling the Revolving Revolution: The Debt Collection Channel
(American Economic Review, Vol. 107 , No. 3, 2017)

Slides
Working Paper
Online Appendix
​Replication Files

​Understanding International Prices: Customers as Capital
(American Economic Review, Vol. 102, No. 1, 2012)

​Slides
Working Paper
Online Appendix
​Replication Files

The Trade-Comovement Puzzle
(AEJ: Macroeconomics, Vol. 13, No. 2, pp. 78-120, 2021)

Slides
Online Appendix
​Online Appendix  
​Replication Files

​The Nontradable Goods' Real Exchange Rate Puzzle
(NBER International Seminar on Macroeconomic, 2009) 

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Working papers

The Future of Labor: Automation and the Labor Share in the Second Machine Age  (Preliminary)
(joint with Hong Cheng, Rahul Giri, Mathieu Taschereau-Dumouchel and Junjie Xia)  

​​Slides-30m

Credit Cards and the Great Recession: The Collapse of Teasers
(joint with Michal Kowalik)

​​Slides

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Unpublished research

Competing for Customers: A Search Model of the Market for Unsecured Credit  
(joint with Jaromir Nosal)

Slides (revised draft)

Pricing-to-Market in Business Cycle Models
(joint with Jaromir Nosal)

Slides

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Other writings

Responding to COVID-19: A Note
(Federal Reserve Bank of Philadelphia, Working Papers)

Erratum​
Replication Files

The Quiet Revolution in Debt Collection
(AEA Research Highlights)

The Policy Perils of Low Interest Rates
(Economic Insights, Philadelphia Fed, First Quarter 2018)