listed shares. Our analysis concerns the risk which arises from the Markowitz mean-variance approach. Our work method will be … implemented as following: first of all, we will test the normality and the stationarity of 31 shares which have composed our … methods of measurement of return, risk and the other statistical properties constitute, in fact, the pillars of companies …

forms of trust and risk, untransparent social situations and economic, political and cultural globalization. These processes …

organizational forms, flow of information, trust to other people and complicated technical systems, uncertainty, taking a risk as …