This research addresses an important problem in finance, which is the portfolio selection and management problem. Modern portfolio theory and Markowitz efficient frontier start with a set of assets (securities) and generate an optimal weight combination for the optimal risky portfolio that lies...

This paper addresses the problem of portfolio selection under a multifactor asset return model, using Bayesian analysis to deal with uncertainties in parameter estimation and model specification. These sources of error are ignored in the classical mean-variance method. We apply two approaches:...

This study uses factor analysis to simplify the complex relationships among stock markets and to reduce the number of markets required for portfolio construction. Our sample consists of the US and 11 Asia-Pacific stock markets. We find that the reduced portfolio obtained from factor analysis has...

Modern portfolio theory suggests that the best strategy to reduce portfolio risk is to diversify internationally rather than nationally. However, despite the gains from international portfolio diversification investors still overweight their portfolios with the domestic assets. This is referred...

Research suggests that informational differences, including familiarity with domestic securities, underlie home equity bias. We suggest that home bias can arise more subtly. The bias may simply occur because individuals are more comfortable with domestic companies, irrespective of information or...

Modern portfolio theory suggests that the best strategy to reduce portfolio risk is to diversify internationally rather than nationally. However, despite the gains from international portfolio diversification investors still overweight their portfolios with the domestic assets. This is referred...

Research suggests that informational differences, including familiarity with domestic securities, underlie home equity bias. We suggest that home bias can arise more subtly. The bias may simply occur because individuals are more comfortable with domestic companies, irrespective of information or...