My research focuses broadly on the economic significance of national borders and in particular on the economics of immigration. Below are links to my published papers, working papers, and data sets.
"Birthright Granted and Revoked: The Effects of Irish Citizenship Policy on Migrant Fertility" AEA Papers and Proceedings, Vol 112, 391-395. 2022.
"Border Walls and Crime: Evidence from the Secure Fence Act." Eastern Economic Journal, Vol 48(2), 167-197. 2022. Joint with Ryan Abman.
"Conceptualizing an Interdisciplinary Collective Impact Approach to Examine and Intervene in the Chronic Cycle of Homelessness." International Journal of Environmental Research and Public Health, 18(4). 2021. Joint with Mounah Abdel-Samad, Jerel P Calzo, Jennifer K Felner, Lianne Urada, Matthew E Verbyla, Hala Madanat, Brian E Adams, Thais Alves, Bruce Appleyard, Joshua Chanin, Shawn Flanigan, Maya Ginsberg, Matthew Higgins, Eunjeong Ko, Kristen Maher, Natalie Mladenov, Peggy Peattie, Megan Welsh, and David Sleet.
"The Determinants of Portfolio Investment in Offshore Financial Centers." International Review of Financial Analysis, 54, 76-86. 2017. Joint with Clark Lundberg.
"Equity Home Bias and the Euro." The Quarterly Journal of Finance, 2(1). 2012.
"FDI and Immigration: A Regional Analysis." The Annals of Regional Science, 49(1), 237-259. 2012.
"Immigration and Equity Home Bias." The Journal of International Money and Finance, 30(6), 982-998. 2011.
"Assimilation and Trade between the Middle East, Europe, and North America." The Review of Middle East Economics and Finance, 6(2). 2010.
"Familiarity Bias." Chapter 15 in Behavioral Finance: Investors, Corporations, and Markets. H. Kent Baker and John Nofsinger editors. Wiley. 2010. (Cited by The New York Times, Chicago Tribune, Kiplinger's Personal Finance and several other media outlets)
"Europe without Borders? The Effect of the Euro on Price Convergence." International Regional Science Review, 33(1), 86-111. 2010.
Measuring Infection and Mortality of COVID-19 among Arab-Americans (June 2022)
Intermarriage between Immigrants and Natives in the United States (June 2021)
Political Extremism in the US: The Effects of Migrant Communities. (June 2021)
Comparing Middle Eastern Migration to Europe, Latin America, and North America (August 2020)
The Effects of Oil Prices on Migration and Remittances from Oil Exporters and Oil Importers (August 2020)
Do Ethnic Enclaves Impede or Facilitate Assimilation and Education? A Comparison Across Ethnicities and Geographies (January 2020)
Inequality Within and Between Immigrant Groups (January 2019)
Sources of Water Scarcity in the Middle East. (January 2019)
Noise vs. News in Equity Returns, with Robert Chirinko, University of Illinois-Chicago and CES-ifo (January 2016)