This paper studies the particularities of portfolio selection on the Romanian stock market using the risk-return maximization criteria introduced by Harry Markowitz (1952). We used daily prices for the 36 most liquid companies traded on Bucharest Stock Exchange during January 2010 – March 2012...

Romanian Abstract: În 2010, piaţa internaţională a aluminiului s-a caracterizat printr-o evoluţie pozitivă, atât din punct de vedere al disponibilităţilor de metal, cât şi al revigorării preţurilor. Conform analiştilor de la Biroul Australian al Agriculturii şi Resurselor (The...

Romanian Abstract: În 2011, piaţa internaţională a aluminiului a fost influenţată de climatul economic mondial, caracterizat prin turbulenţe bursiere, în condiţiile crizei financiare din unele state membre ale Uniunii Europene, ale cutremurului devastator ce a lovit Japonia în luna...

By this paper we intend to analyze the existing gap in the efficiency of R&D investment, at European level. The method employed in this respect is Data Envelopment Analysis (DEA). The evaluation of the performance in R&D in European countries, in terms of technical efficiency (TE) thus...

During the decision process, one has to take into consideration more than one criterion, the alternative that meets as many criteria as possible being chosen eventually. As it is impossible to reach the maximum level that is wished for separately for each criterion at the same time, one has to...

This survey analyzes two types of models: 1. Models based on assumptions of monetary and financial market equilibrium disturbance in line with mainstream thinking to believe that is self-regulating market, the units would have rational expectations, an the crisis would be a temporary phenomenon...

The use of the software package is today indispensable for modeling of financial decisions. Business organizations will invariably make greater demands of the software than individual users. Excel is an option along with other software applications tailored to the market, and bespoke (in-house)...

English Abstract: Performance reasons in decision making based on business data usually requires a good management of multiple data formats and also processing speed, flexibility, portability, automation, power of suggestion and ease of use. The paper comes with theoretical ideas and practical...