We compare the out-of-sample forecasting performance of univariate homoskedastic, GARCH, autoregressive and nonparametric models for conditional variances, using five bilateral weekly exchange rates for the dollar, 1973-1989. For a one week horizon, GARCH models tend to make slightly more...

We compare the out-of-sample forecasting performance of univariate homoskedastic, GARCH, autoregressive and nonparametric models for conditional variances, using five bilateral weekly exchange rates for the dollar, 1973-1989. For a one week horizon, GARCH models tend to make slightly more...

In 2008, the global economy experienced the most severe crash since World War II. A sharp collapse in international trade followed, leaving no country on the globe immune to a sequence of economic shocks. This timely book explores many of the key issues raised in the wake of the global economic...

This paper focuses on the endogeneity of the investment-to-GDP ratio and the population growth rate, two of the most frequently used control variables in cross-country growth regressions for the convergence test. The Summers-Heston data (1988) show that the former rises and the latter declines...