 Specific areas of research include constitutional systems, voting methods and electoral systems, public spending and classical liberalism, especially as related to economic growth.In these areas, he has been much influenced by the late economist Gordon Tullock.Kurrild-Klitgaard has published close to a hundred articles in anthologies and academic journals such as, e.g., "European Journal of Political Economy", "Public Choice", "Political Science Research and Methods", "Scandinavian Political Studies", "Journal of Institutional and Theoretical Economics", "American Journal of Economics and Sociology", etc.