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-horizon forecasts are well-described by adaptive learning, which delivers convergence to RE equilibrium, while short-horizon forecasts …
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that maximize (risk-adjusted) expected profits. A real-time learning formulation yields endogenous switching between … equilibria. We demonstrate that a real-time learning version of the model, calibrated to U.S. stock data, is capable of …
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This chapter provides a survey of the recent work on learning in the context of macroeconomics. Learning has several … roles. First, it provides a boundedly rational model of how rational expectations can be achieved. Secondly, learning acts … as a selection device in models with multiple REE (rational expectations equilibria). Third, the learning dynamics …
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-horizon forecasts are well-described by adaptive learning, which delivers convergence to RE equilibrium, while short-horizon forecasts …
Persistent link: https://www.econbiz.de/10012144758
In an asset-pricing model, risk-averse agents need to forecast the conditional variance of a stock's return. A near-rational restricted perceptions equilibrium exists in which agents believe prices follow a random walk with a conditional variance that is self-fulfilling. When agents estimate...
Persistent link: https://www.econbiz.de/10010904149
This paper demonstrates that an asset pricing model with least-squares learning can lead to bubbles and crashes as … several mechanisms through which learning impacts stock prices. Extended periods of excess volatility, bubbles and crashes …
Persistent link: https://www.econbiz.de/10010553640
This paper demonstrates that an asset pricing model with least-squares learning can lead to bubbles and crashes as … mechanisms through which learning impacts stock prices: occasional shocks may lead agents to lower their risk estimate and …
Persistent link: https://www.econbiz.de/10005763196