This study documents the asset pricing mechanism of Sharīʿah compliant securities listed on the Karachi Stock Exchange. We select the CAPM market model to test for the impact in variations of stock returns on a sample of Sharīʿah-compliant companies on ten years monthly data (2001-10). We first test the basic CAPM (Capital Asset Pricing Model) and its modified form known as the Sharīʿah-complia...

Testing the CAPM boils down to testing the mean/variance efficiency of the market portfolio. Numerous studies have examined the mean/variance efficiency of various market proxies by employing sample parameters, and have concluded that these proxies are inefficient. Shrinkage methods do not seem to help. These findings cast doubt about one of the cornerstones of modern finance. This study adopts...

CAPM theory is the core of modern financial theory. As time went on, more and people began to invest in research, many contradictions have emerged, not least highly idealistic assumptions harsh implementation conditions. Different from CAPM, which only has a single factor market risk beta, The inclusion size premium book-to-market ratio this model can effectively explain stock results. By intro...