Concept of democracy (corruption, Presidentialism), Baltic states (corruption, political development), Development of states (authoritarian rule, Corruption, Democratization), Ideology and attitudes, Soviet Union (Baltic states, Georgia, Moldova, Ukraine), The EU and Europe (enlargement, State capacity), Yugoslavia (Slovenia)
Concept of democracy (representative democracy), Citizen involvement (Political parties), Ideology and attitudes (Public opinion), Quantitative Methods
Concept of democracy (Deliberative democracy), Society and citizens (Solidarity), Welfare state (Basic income)