volatility, but without the estimation problems associated with the latter, and being applicable in the multivariate setting for … model in several ways, it allows for all the primary stylized facts of financial asset returns, including volatility … EM-algorithm is developed for estimation. Each element of the vector return at time t is endowed with a common univariate …

between real estate and stock markets by fitting different classes of time-varying volatility model; second, to perform VaR … processes, in terms of mean, volatility, correlation, can be compared. In the econometric analyses, we estimate both a …

One of the most popular univariate asymmetric conditional volatility models is the exponential GARCH (or EGARCH …) specification. In addition to asymmetry, which captures the different effects on conditional volatility of positive and negative … subsequent shocks to volatility. However, the statistical properties of the (quasi-) maximum likelihood estimator of the EGARCH …

of risk, the interest rate, the stock market volatility, the equity premium and the moments of the consumption growth …

based on averages of past futures returns, normalized by their volatility. We test these strategies on a universe of 64 … asset class, realized futures volatility is contemporaneously negatively related to the Fama and French (1987) market (MKT … in trading costs. We construct measures of momentum-specific volatility, both within and across asset classes, and show …

A model-free methodology is used for the first time to estimate a daily volatility index (VIBEX-NEW) for the Spanish … display a negative, tight contemporaneous relationship with IBEX daily returns, contrary to other common volatility indicators …, as an implied volatility indicator or a GARCH(1,1) conditional volatility model. This relationship is approximately …

. This paper empirically examines (a) the statistical properties of the Korea's representative implied volatility index … volatility process of the index, using augmented heterogeneous autoregressive (HAR) models with exogenous covariates. The results … macroeconomic variables explain the VKOSPI. More importantly, we find that the stock market return and implied volatility index of …

agents, arbitrage activity has an impact on the price level and generates both excess volatility and the leverage effect. We …