This paper investigates the robustness of conventional mean-variance (MV) optimization model by making two adjustments within MV formulation. First, portfolio selection based on a behavioral decision-making theory that encapsulates statistics and investors psychology. The second aspect involves capturing asset dependence structure through copula. Using (BMV) copula (CBMV), results show stocks w...

Foreign exchange trading transactions are getting more and in demand, Muslim investors/traders no exception. Even recently, forex has been used as a speculation tool for traders to make profit. Therefore, become an important issue the spotlight of scholars economists. In study fiqh, foreign is known al-sharf, namely buying selling naqdain, gold gold, silver silver, or one two. This transaction ...