Polarization of U.S. Foreign Policy in Congress

Data sources:

Co-Sponsorhip behavior of members of Congress in the foreign policy realm.

Co-Signatories of congressional letters to the executive branch.

Congressional debates.


Source: (2021): U.S. Global leadership Role and Domestic Polarization: A Role Theory Approach. Routledge: London & New York.

Populist leaders, foreign policy preferences, and international norms

Data sources:

Quantitative Content Analysis of foreign policy speeches of populists and their non-populist predecessors.

Voting behavior in the UN General Assembly.


Source: (2022): “Populist minds think alike? National identity conceptions and foreign policy preferences of populist leaders”. Foreign Policy Analysis 18(2).


Network Analysis of polarization in democracies

work in progress