Feldstein and Horioka (1980) argued that the correlation of saving and investment in a cross-section of countries may provide a test of global capital mobility. This paper argues that neither the long-run nor the short-run correlation can serve as a reliable basis for such a test. The...

We demonstrate that the correlation of saving and investment is measured best by an error correction model (ECM), because theory implies a cointegrating relation between these variables. The ECM comprises all previous specifications as special cases, which are shown to be potentially...