This paper employs a combination of unit root tests and fractional integration technique to test for rational bubbles in Bombay Stock Exchange (BSE). It is indicated in the paper that evidence of a unit root in dividend yield is consistent with presence of rational bubbles in the stock prices....

This paper investigates the causal relationships between volatility in Saudi stock market and banks credit for equity investments. Our finding indicate there is a bi-directional feedback effects between the stock price volatility and banks credit loans. In other words, volatility in private...

After highlighting different views of Islamic scholars on option derivatives, the paper explores a potential role for option derivatives as useful risk management tool in commodity markets, while attuned to Islamic Shariah principles. The author illustrated a model of commodity stock market to...