possibility of risky assets diversification to obtain the optimal return/risk ratio. Consequently, this paper aims to examine the … uncertainty. It is difficult to find a field where the decision making process is risk-free. This statement is especially true in … case of financial investments according to which risk taking is rewarded. But it is also true that the financial market …

methods of measurement of return, risk and the other statistical properties constitute, in fact, the pillars of companies … listed shares. Our analysis concerns the risk which arises from the Markowitz mean-variance approach. Our work method will be …

to take into account both the profitability and the risk associated with the assets, but that used to be done mostly at …, Markowitz showed how efficient portfolios (those that maximize expected profitability at a given risk level) can be put together …

distribution of the return. Having estimated each fund’s efficiency in the sample we unveil their underlying dynamics, also with … respect to risk and operational characteristics such as flows, assets, and Morningstar star ratings. Panel-VAR estimations … reveal that the response of funds’ efficiency to a shock in risk is positive and substantial. Some evidence of reverse …

. The second is where each one seeking to maximize his utility function is intuitively constrained to minimize the risk. The …

the cross-section. The results show that SRI stock indexes do not exhibit a different risk-adjusted return than … conventional benchmarks. But many SRI indexes have a higher risk relative to the benchmarks. These findings are robust to the use …

approach based upon the psychology of investors. In this approach, security expected returns are determined by both risk and …