This article summarizes and extends the main lines of theorizing on public opinion on European integration. We test theories of economic calculus and communal identity in a multi-level analysis of Eurobarometer data. Both economic calculus and communal identity are influential, but the latter is...

This paper engages three theories—neofunctionalism, intergovernmentalism, and postfunctionalism—that have their intellectual roots in the study of European integration in the past century. The purpose of this paper is to assess their use value for explaining EU developments in the 21st...