We propose a tractable framework for quantifying the impact of fire sales on the volatility and correlations of asset … returns and provide a quantitative explanation for spikes in volatility and correlations observed during liquidation of large …

small time lag. We provide indicators to measure this phenomenon using tick-by-tick data. Strongly asymmetric cross-correlation … (short intertrade duration, narrow bid/ask spread, small volatility, high turnover) tend to lead smaller stocks. However, the …

In this paper, a study of a stochastic volatility model for asset pricing is described. Originally presented by J. Da … Fonseca, M. Grasselli and C. Tebaldi, the Wishart volatility model identifies the volatility of the asset as the trace of a … the stochastic correlation. Thanks to its flexibility, this model enables a better fit of market data than the Heston …

&D investment and productivity growth are more negatively correlated with sales volatility in more credit constrained firms. …

market price of risk, the risk free rate, the bond prices at dierent maturities, the stock price and volatility as well as …

with limited memory, then there are rationally formed expectations equilibria exhibiting an excess volatility that no … one from a positive viewpoint, this result suggests that the possibility of excess volatility as an equilibrium phenomenon …

We decompose volatility of a stock market index both in time and scale using wavelet filters and design a probabilistic …