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applied to state filtering and sequential parameter learning. This paper introduces robust state space models whose error …
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equilibrium dynamics resulting from this learning process helps to explain the main stylized facts of free-floating exchange rates … the number of agents (not more than about 1000). With a larger population, this collective learning dynamics looses its … Hauptinteresse geht dahin, herauszufinden, ob die Gleichgewichtsdynamik, die aus diesem Lernprozess resultiert, dabei helfen kann …
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We build an equilibrium model to explain why stock return predictability concentrates in bad times. The key feature is that investors use different forecasting models, and hence assess uncertainty differently. As economic conditions deteriorate, uncertainty rises and investors' opinions...
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