driving. complex systems ; econophysics ; exogenous ; versus endogenous ; high-frequency trading ; criticality ; trading …

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 …

behind narrative sign restrictions and allows to extract time varying contemporaneous effects and volatility transmission … from conventional reduced form volatility models with dynamic correlations. We find the market value of banking …

In the academic literature, the economic interpretation of stock market volatility is inherently ambivalent, being … volatility-dependent cross-market spillovers. If higher volatility in one market leads to higher (lower) reactions in another … market, volatility reflects information (uncertainty). We introduce a simultaneous time-varying coefficient model, where …