capturing interest rate risk. The so-called Stochastic Volatility Nelson-Siegel (SVNS) model allows for stochastic volatility in … evidence for time-varying volatility in the yield factors. This is mostly true for the level and slope volatility revealing … also the highest persistence. It turns out that the inclusion of stochastic volatility improves the model's goodness …

Due to the high relevance of 1-day volatility forecasts and the increasing demand for zero-day-to-expiration (0DTE …) options on the S&P 500, the Cboe recently introduced the 1-Day Volatility Index (VIX1D). Compared to the longer …-term volatility indices of the VIX family, it is overall lower and more volatile, shows a weaker negative correlation with the S&P 500 …

the unemployment problem, the volatility of the growth rate of unemployment has to be known in order to launch appropriate … policies correctly. Therefore, a wide range of conditional volatility models, which are usually used in financial markets, are … employed to estimate the volatility with symmetric and asymmetric effects. The monthly data on unemployment is downloaded to …

subject to stochastic volatility. It enables the disentanglement of dynamic structures in both the mean and the variance of … the observed time series. We develop a simulated maximum likelihood estimation method based on importance sampling and … increased during the 2008 financial crisis while it has recently returned to its pre-crisis level. The extracted volatility …

Examinations of the dynamics of daily returns and volatility in stock markets of the US, Hong Kong and mainland China …

The present study addresses the economic interpretation of stock market volatility. We argue that its character is … volatility. This exploits the revealed reaction of investors to gauge the degree of information and uncertainty ascribed to … volatility. We estimate simultaneous timevarying coefficient models, using data of US and further stock markets. We find the …

solved by considering heteroscedasticity of the structural volatility innovations, and estimation takes place in an …Information flows across international financial markets typically occur within hours, making volatility spillover … appear contemporaneous in daily data. Such simultaneous transmission of variances is featured by the stochastic volatility …