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...

This paper proposes a profit model for spread trading by focusing on the stochastic movement of the price spread and its first hitting time probability density. The model is general in that it can be used for any financial instrument. The advantage of the model is that the profit from the trades...

This theoretical paper seeks to correct a common error about the effect of personal taxation on the expected pre-tax return earned on equity portfolios held by mutual funds in tax-sheltered retirement plans such as IRA and Keogh (401-k). Contrary to the prevailing view, the analysis reveals that...