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Optimal Forecasts from Markov Switching Models

Tom BootAndreas Pick

出版	SSRN, 2014
URL	http://books.google.com.hk/books?id=7YRPjwEACAAJ&hl=&source=gbs_api

註釋

We derive optimal weights for Markov switching models by weighting observations such that forecasts are optimal in the MSFE sense. We provide analytic expressions of the weights conditional on the Markov states and conditional on state probabilities. This allows us to study the effect of uncertainty around states on forecasts. It emerges that, even in large samples, forecasting performance increases substantially when the construction of optimal weights takes uncertainty around states into account. Performance of the optimal weights is shown through simulations and an application to US GNP, where using optimal weights leads to significant reductions in MSFE.