Mandelbrot's "range over standard deviation" or R/S statistic, for which the relevant asymptotic sampling theory is derived via … functional central limit theory. This test is applied to daily, weekly, monthly, and annual stock returns indexes over several …

rapid. In addition, an economic theory of the speed of adjustment is presented and tested. The evidence suggests that … greater exchange rate flexibility has not significantly altered the reserve holding behavior of the world's central banks …

Measuring the integration of world capital markets is notoriously difficult. For example, regulatory changes which … equity market becomes financially integrated with world capital markets. We find endogenous break dates that are very … markets are on average larger and more liquid than before; returns are more volatile and more highly correlated with the world …