Showing 1 - 10 of 7,834
It is sometimes argued that an increase in stock market volatility raises required stock returns, and thus lowers stock … for this volatility feedback effect. The resulting model is asymmetric, because volatility feedback amplifies large … for large crashes. The model also implies that volatility feedback is more important when volatility is high. In U …
Persistent link: https://www.econbiz.de/10012767711
We model the conditional mean and volatility of stock returns as a latent vector autoregressive (VAR) process to study … although the conditional correlation between the mean and volatility is negative, the unconditional correlation is positive due …
Persistent link: https://www.econbiz.de/10012787157
Volatility permeates modern financial theories and decision making processes. As such, accurate measures and good … forecasts of future volatility are critical for the implementation and evaluation of asset pricing theories. In response to this …, a voluminous literature has emerged for modeling the temporal dependencies in financial market volatility at the daily …
Persistent link: https://www.econbiz.de/10012774886
reservations about the impact of foreign speculators on both expectedquot; returns and market volatility. We propose a cross … depositary receipts country funds and other financial instruments, in an extranational market and market volatility in emerging … statistically weak. The effects on volatility and correlation are less robust.quot …
Persistent link: https://www.econbiz.de/10012774923
-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/10012754523
We compare the out-of-sample forecasting performance of univariate homoskedastic, GARCH, autoregressive and nonparametric models for conditional variances, using five bilateral weekly exchange rates for the dollar, 1973-1989. For a one week horizon, GARCH models tend to make slightly more...
Persistent link: https://www.econbiz.de/10013225431
This paper shows that the asymptotic normal approximation is often insufficiently accurate for volatility estimators …
Persistent link: https://www.econbiz.de/10013227785
inflation process is well described by an unobserved component trend-cycle model with stochastic volatility or, equivalently, an …
Persistent link: https://www.econbiz.de/10012761277
a GARCH process for conditional volatility. Under such heteroskedasticity, OLS estimators or parameters in single …
Persistent link: https://www.econbiz.de/10012778851
. Assuming that news has only country specific autocorrelation such as a heat wave. any intra-daily volatility spillovers (meteor …. Using a volatility type of vector autoregression we examine the impact of news in one market on the time path of volatility …
Persistent link: https://www.econbiz.de/10012762800