In his seminal paper, Brooks argues that the relation between return volatility and trading volume can be both linear and nonlinear. Adopting both linear and nonlinear Granger causality tests, he shows that there exists both linear and nonlinear bi-directional causality between trading volumes...

This paper examines the effect of CEO risk appetite on the return volatility of a sample of large, listed financial firms over the period 2000-2008. After controlling for firm specific characteristics, the results give strong evidence that the CEO risk appetite has an important effect on firm...

This study adopts the Markov-switching ARCH (hereafter SWARCH) model to examine the volatility nature and volatility linkages of four segmented Chinese stock indices (SHA, SZA, SHB, and SZB). Our empirical findings are consistent with the following notions. First, we find strong evidence of...