There appears to be a consensus that the recent instability in global financial markets may be attributable in part to the failure of financial modeling. More specifically, current risk models have failed to properly assess the risks associated with large adverse stock price behavior. In this...

There appears to be a consensus that the recent instability in global financial markets may be attributable in part to the failure of financial modeling. More specifically, current risk models have failed to properly assess the risks associated with large adverse stock price behavior. In this...

In this paper, we employ a combination of the jump diffusion and GARCH model in the mean equation to test the risk-return relationship in the U.S. stock returns. The results suggest a statistically significant relationship between the risk and the return if the risk measure includes components...