Originally propounded by the sixteenth-century scholars of the University of Salamanca, the concept of purchasing power parity (PPP) was revived in the interwar period in the context of the debate concerning the appropriate level at which to reestablish international exchange rate parities....

This paper examines business cycles theoretically and empirically, with a quantitative study based on data for a cross section of countries. Theoretical concerns indicate that the properties of business cycle models depend not only on important structural aspects of the model, such as money...

The eurozone currently confronts severe short-run macroeconomic adjustment problems and a deficient institutional architecture that has to be reformed in the longer run. Europe's efforts at economic and monetary union are historically unprecedented. However, the gold standard provides lessons...