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Working Paper
The economic and statistical value of forecast combinations under regime switching: an application to predictable U.S. returns
We address one interesting case ? the predictability of excess US asset returns from macroeconomic factors within a flexible regime switching VAR framework ? in which the presence of regimes may lead to superior forecasting performance from forecast combinations. After having documented that forecast combinations provide gains in prediction accuracy and these gains are statistically significant, we show that combinations may substantially improve portfolio selection. We find that the best performing forecast combinations are those that either avoid estimating the pooling weights or that ...