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We survey the nascent literature on machine learning in the study of financial markets. We highlight the best examples of what this line of research has to offer and recommend promising directions for future research. This survey is designed for both financial economists interested in grasping...
Persistent link: https://www.econbiz.de/10014322889
mean and volatility of aggregate consumption growth, by a representative agent with a high elasticity of intertemporal … increasing the persistence of volatility fluctuations and their impact on stock prices. This calibration fits the predictive … power of stock prices for future consumption volatility, but implies much greater predictive power of stock prices for …
Persistent link: https://www.econbiz.de/10012463859
-shifts of heterogeneous durations affect the volatility of dividend news. We estimate tightly parameterized specifications with … likelihood than the classic Campbell and Hentschel (1992) specification, while generating volatility feedback effects 6 to 12 … times larger. We show in an extension that Bayesian learning about stochastic volatility is faster for bad states than good …
Persistent link: https://www.econbiz.de/10012467238
correlated, contrary to what theory suggests - for eight advanced country exchange rates against the US dollar, over the period …
Persistent link: https://www.econbiz.de/10012453372
, return volatility, and trading volume in the mortgage-backed security market. We find that increased disagreement is … associated with higher expected returns, higher return volatility, and larger trading volume. These results imply that there is a … positive risk premium for disagreement in asset prices. We also show that volatility in and of itself does not lead to higher …
Persistent link: https://www.econbiz.de/10012460041
We show that volatility movements have first-order implications for consumption dynamics and asset prices. Volatility … news affects the stochastic discount factor and carries a separate risk premium. In the data, volatility risks are … aggregate wealth and the cross-sectional differences in risk premia. Estimation of our volatility risks based model yields an …
Persistent link: https://www.econbiz.de/10012460556
-diffusions, and models of stochastic volatility. This paper explores the statistical properties of these models with a view to …
Persistent link: https://www.econbiz.de/10012472845
Benchmark finance and macroeconomic models appear to deliver conflicting estimates of the natural rate and bond risk …* and π*, and not bond risk premia. Global components of unexpected bond returns are influential, while the local components … theory and previous findings …
Persistent link: https://www.econbiz.de/10014421212
This paper is an investigation into the determinants of asymmetries in stock returns. We develop a series of cross-sectional regression specifications which attempt to forecast skewness in the daily returns of individual stocks. Negative skewness is most pronounced in stocks that have...
Persistent link: https://www.econbiz.de/10012471074
This paper studies three different measures of monthly stock market volatility: the time-series volatility of daily … market returns within the month; the cross-sectional volatility or 'dispersion' of daily returns on industry portfolios …, within the month. Over the period 1962-97 there has been a noticeable increase in firm-level volatility relative to market …
Persistent link: https://www.econbiz.de/10012471650