Working Papers

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“Effects of Copyright on Science - Evidence from the WWII Book Republication Program” (with Barbara Biasi).

“Copyrights and Creativity.  Evidence from Italian Operas” (with Michela Giorcelli). Summary at Vox, Video by EconFilms.

“Career Effects of Mental Health” (with Barbara Biasi and Michael Dahl). 

Publications

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​“Dead Poet’s Property – How Does Copyright Influence Price?” (with Xing Li and Megan MacGarvie). RAND Journal of Economics, forthcoming.
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“Patent Citations - An Analysis of Quality Differences and Citing Practices in Hybrid Corn” (with Joerg Ohmstedt and Paul Rhode). forthcoming in Management Science. Data on patents, hybrids, citations, and improvements in yields. Slides.

“Compulsory Licensing and Innovation - Evidence from German Patents after World War I“ (with Joerg Baten and Nicola Bianchi).  Journal of Development Economics, Volume 126, May 2017.

"Patents and Innovation in Economic History. Annual Review of Economics, Volume 8, 2016. Working paper.

"Spatial Errors in Count Data Regressions" (with Marinho Bertanha). Journal of Econometric Methods, Volume 5, Issue 1, 2016. Code.

“Patent Pools, Competition and Innovation.  Evidence from 20 Industries under the New Deal” (with Ryan Lampe). Journal of Law, Economics, & Organization, Volume 32, 2016, pp. 1-36.  Oliver Williamson Prize, Runner-Up for Best Paper Published in 2016. Do file and data.

“German Jewish Émigrés and US Invention” (with Alessandra Voena and Fabian Waldinger). American Economic Review, 2014, Volume 104(10), pp. 3222-55. Slides. Replication files and data. Interview on Innovation Hub.

“Patent Pools and Innovation in Substitute Technologies – Evidence from the U.S. Sewing Machine Industry” (with Ryan Lampe). RAND Journal of Economics, 2014, Volume 44, Issue 4, pp. 757-778. Do file and data.

“Prizes, Publicity, and Patents – Non-Monetary Awards as a Mechanism to Encourage Innovation” (with Tom Nicholas). Journal of Industrial Economics, 2013 Volume 61: pp. 763–788. Slides.

“Patents and Innovation – Evidence from Economic History.” Journal of Economic Perspectives, Volume 27, Number 1, Winter 2013, pp. 23–44.

“Taste-Based Discrimination.  Evidence from a Shift in Ethnic Preferences after WWI.” Exploration in Economic History, Volume 49, Issue 2, April 2012, pp. 167–188.

“Compulsory Licensing: Evidence from the Trading with the Enemy Act” (with Alessandra Voena).  The American Economic Review. Volume 102, Issue 1, February 2012, pp. 396–427. Replication files and data.

“Innovation without Patents – Evidence from World’s Fairs” The Journal of Law and Economics, Volume 55, No. 1, February 2012, pp. 43-74.

“Patent Pools:  Licensing Strategies in the Absence of Regulation” (with Ryan Lampe). Advances in Strategic Management, Volume 29, 2012, pp. 69-86.

“Do Patents Weaken the Localization of Innovations?  Evidence from World's Fairs, 1851-1915.”  The Journal of Economic History, Volume 71, Number 2, June 2011, pp. 363-382.  Individual-level data for 1851 exhibits in France, with locations.

“Do Patent Pools Encourage Innovation?  Evidence from the 19th-Century Sewing Machine Industry” with Ryan Lampe.  The Journal of Economic History, Volume 70, Issue 04, December 2010, pp. 898-920.  Do-file, main data, and per stitches per minute data.

“How Do Patent Laws Influence Innovation?  Evidence from Nineteenth-Century World Fairs,” The American Economic Review, Volume 95, Number 4, September 2005, pp. 1214-1236. Data for regressions; individual-level data with locations for France.  Summary in the New York Times. 

“Was Electricity a General Purpose Technology?  Evidence from Historical Patent Citations” with Tom Nicholas, The American Economic Review, Papers and Proceedings, May 2004, vol. 94, no.2, pp.388-394.

Book Chapters
“Copyright and the Profitability of Authorship” (with Megan MacGarvie) forthcoming in Avi Goldfarb, Shane Greenstein, and Catherine Tucker (eds). The Economics of Digitization: An Agenda.  Summary in the Washington Post.

“Innovation and Patents,” Louis Cain, Price Fishback, and Paul Rhode (editors) Oxford Handbook of Economic History, forthcoming.
    
“Did Plant Patents Create the American Rose?” (with Paul Rhode) in Joshua Lerner and Scott Stern (eds). The Rate and Direction of Technological Change, Chicago University of Chicago Press, 2012, pp. 413-41.