Dima, Bogdan; Pirtea, Marilen; Murgea, Aurora - In: Theoretical and Applied Economics 1(496) (2006) 1(496), pp. 43-47
hypothesis in the Romanian financial market case; 2) a critical distinction between the concept of "risk" and the concept of … "incertitude"; 3) the use of the individual yield/risk ratio versus the market one as a selection variable; 4) the renouncement at … disfunctions, there is a possibility to build an "optimal" portfolio based on a yield-risk arbitrage inside an efficiency frontier …