In this paper we develop a procedure for applying the core implications of the theory of optimum currency areas to cross-country data. We demonstrate that these implications find strong empirical support. The relationship between the characteristics of countries to which OCA theory points and...

This lecture presents a broad overview of postwar analytical thinking on international macroeconomics, culminating in a more detailed discussion of very recent progress. Along the way, it reviews important empirical evidence that has inspired alternative modeling approaches, as well as...