A MODEL OF CONSTRUCTION OF A MINIMUM RISK PORTFOLIO BASED ON MARKOWITZ PORTFOLIO THEORY. APPLICATION ON BUCHAREST STOCK EXCHANGE

In this paper, the authors test a model of an efficient portfolio with minimum risk, starting from the analysis of one year portfolio payoff and risk of ten securities from Bucharest Stock Exchange. In accordance with the modern portfolio theory, maximization of returns at minimal risk should be the main objective of every investor. We show, using a mathematical methodology based on Markowitz portfolio theory and on Lagrange function, which is the exact amount of stocks to be purchased from a Bucharest Stock Exchange sample of securities in order to have an efficient portfolio with minimum risk at a given return.efficient portfolio, risk, return, Markowitz portfolio theory, Bucharest Stock Exchange

THE IMPACT OF COHESION POLICY AND OF MEMBER STATES EFFORT ON COMPETITIVENESS

To meet the challenges generated by globalization and the technological progress, the European cohesion policy through its financial instruments is a source of competitiveness, as it implements anticipation strategies in terms of research-development, innovation, firms’ competitiveness improvement, economic reorganization, in conditions of ensuring the social composition by creating new jobs. The paper analyzes the impact of EU financial effort combined with public and private national effort on the competitiveness of some European Union member states. Quantitative research carried out by econometric modeling confirms a correlation between the considered states score of competitiveness and the financial resources allocated for the objective Regional competitiveness and employment, the primary role exercised by the public and private sector contribution of states and the need to increase the European funds allocated to improve competitiveness and to achieve a prosperous economy based on knowledge.competitiveness; cohesion; structural funds