Research on the Arab World
"The Three Arab Worlds" (with Scott Kostyshak), Journal of Economic Perspectives 23 (Summer 2009): 165-188.[Copyright 2009, American Economic Association; reproduced with permission of the Journal of Economic Perspectives.]
"The Three Arab Worlds on the Eve of the 'Arab Spring' " (with Scott Kostyshak), in M. Kabir Hassan and Mervyn Lewis, eds., Handbook on Islam and Economic Life (Cheltenham, UK: Edward Elgar), 2014.
"Education, Political Participation, and Islamist Parties: The Case of Jordan's Islamic Action Front" (with Hamed El-Said), Middle East Journal 69 (Winter 2015): 51-73.
The Economics of the Middle East: A Comparative Approach (New York: Oxford University Press), 2019.
Updated figures and tables for The Economics of the Middle East: A Comparative Approach. This pdf document was posted in July 2022 and contains 4 updated figures, 19 updated tables, and 4 completely new tables.