Essay from the year 2015 in the subject Business economics - Economic Policy, grade: 1.7, London School of Economics (European Institute), language: English, abstract: This essay assess the most important five integration theories with regard to the premise of policy preference convergence. While some describe the initial process as a convergence of of them, which culminates in an agreement of centralization, a parity of the theories in this area of social science doesn't see a convergence as a necessary, nor as a satisfactory condition, inter alia the predominant theory of neofunctionalism. However, all theories agree upon the fact that an interest complementarity is conducive towards integration.