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We survey the recent literature on learning in financial markets. Our main theme is that many financial market phenomena that appear puzzling at first sight are easier to understand once we recognize that parameters in financial models are uncertain and subject to learning. We discuss phenomena related to the volatility and predictability of asset returns, stock price bubbles, portfolio choice, mutual fund flows, trading volume, and firm profitability, among others.
Bayesian, uncertainty, bubble, volatility, predictability, Bayesian; bubble; predictability; uncertainty; volatility, jel: jel:G0, jel: jel:D83, jel: jel:L25, jel: jel:G12, jel: jel:G23, jel: jel:G11
Bayesian, uncertainty, bubble, volatility, predictability, Bayesian; bubble; predictability; uncertainty; volatility, jel: jel:G0, jel: jel:D83, jel: jel:L25, jel: jel:G12, jel: jel:G23, jel: jel:G11
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 250 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 1% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 1% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 1% |