This paper deals with the application of the analysis on a portfolio made up of eight titles, through determination of the portfolio with absolute minimum variation and of the frontier of efficiency. Thus, using the Markowitz model, the dimensions of the portfolio with minimum absolute variation...

Sistemele inteligente bazate pe modele constituie o subclasa a sistemelor informatice interactive de asistare a deciziei (SIAD). Ele au realizat desprinderea de sistemele informatice de procesare a tranzactiilor (OLTP), ce utilizau modele de calcul direct, modele care sunt de fapt relatii de...

Few time before Romania’s adheration to EU, the problem of the quality of life is more and more challenged by commandments related to communitarian laws and rules. The paradigms imposed by globalization and – referring to a regional problem – integration into EU have to be known and proper...

The concept of life cycle stages has a significant impact upon business strategy and performance. 

Sustainable development implies the assumption of a new strategy at the microeconomic level. The paper presents several proposals to improve the substantiation and implementation of a strategy adequate to the new challenges of the sustainable development of society.

It is well known the fact that in a highly competitive market as the European one, innovation is the driving force for economic competitiveness. Statistical data shows large gaps between Romania and EU in the rates of innovation, but the objective for 2013 is that the share of firms that...

This work is based on Prospect theory, which was developed by D. Kahneman and A. Tversky in 1979. This is one the most quoted and best-documented point of view in economic psychology. First of all, it replaces, once again, the notion of utility with value. But value is defined in terms of gains...