Scholarly Interests: International relations; conflict processes; international organizations; international trade and cooperation; social movements; ethnic conflict; econometrics
Scholarly Interests: International relations theory; international conflict; strategic bargaining; domestic institutions; foreign policy; quantitative research methods in international relations
Scholarly Interests: Mass and elite political behavior in the U.S. context; Public opinion; Electoral competition, representation, and public policy; Experimental methods
Scholarly Interests: Public law (constitutional law, civil liberties, judicial politics); public policy (policy making, implementation, civil rights, housing); American politics (presidency, courts, urban and ethnic politics); politics and history (presidency; bureaucracy; congress; interest groups).
Scholarly Interests: Comparative political behavior; voting and elections; econometrics; political sophistication and public opinion; research methods; international political economy; comparative political economy; public choice; game theory