Sadiraj is involved in research programs in public choice, public economics, individual social preferences and decision theory. She is interested in both theoretical modeling and experimental testing of the theory. Her current projects include: emergence and role of interests groups in spatial models of electoral competition, effects of rotation schemes on committee performance, effects of benefit taxation and ability to pay on excess burden, theoretical modeling of social preferences, conditional and unconditional altruism, and small- and large- stakes risk aversion.