National Science Foundation (NSF) Research Grant 2015-2017, Award 1535723, Immigration policies affecting the highly skilled: Effects on innovation and productivity in US firms; Principal investigator at Georgetown University; the project will receive a budget of $149,802. The following papers are part of this project:

• • Effect of the H-1B Quota on Employment and Selection of Foreign-Born Labor,” with Francesc Ortega, Giovanni Peri, Kevin Shih, and Chad Sparber, European Economic Review, 2018, 108, pp. 105-128.

  • “New Data and Facts on H-1B Workers across Firms,” with Francesc Ortega, Giovanni Peri, Kevin Shih, and Chad Sparber, in forthcoming NBER book The Role of Immigrants and Foreign Students in Science, Innovation, and Entrepreneurship, (eds) Ina Ganguli, Shulamit Kahn, Megan MacGarvie, 2018, University of Chicago Press.

National Science Foundation (NSF) Research Grant 2007-2009, Award 0649468, Free Riding and the Most-Favored Nation Clause; Co-principal investigator at Georgetown University with Rod Ludema (PI); the project has received a budget of $304,135. The following papers are part of this project:

• • “Do terms-of-trade effects matter for trade agreements? Theory and evidence from WTO countries,” with Rod Ludema, The Quarterly Journal of Economics, 2013, 128(4), pp.1837-1893.

  • “Do countries free ride on MFN?”, with Rod Ludema, Journal of International Economics, April 2009, 77(2): pp. 137-150.