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...

Romanian Abstract: Metoda mediilor mobile reprezintă o modalitate facilă de estimare a trendurilor seriilor de timp. Această lucrare abordează câteva din tehnicile mediilor mobile: simple, multiple, centrate şi ponderate

Romanian Abstract: Statistica furnizează instrumente utile pentru a face faţă situaţiilor de incertitudine. Această carte prezintă câteva din conceptele elementare ale statisticii. Sunt descrise, totodată, unele metode aplicate în colectarea datelor, statistica inferenţială, regresii...

Romanian Abstract: Industria turismului are o contribuţie importantă în PIB-ul unei ţări, atât prin consumul intern de servicii turistice, cât şi prin încasările din turismul internaţional. Conform datelor furnizate de Institutul Naţional de Statistică, circulaţia turistică...

Romanian Abstract: Datorită simplităţii, extrapolările trendurilor sunt adeseori preferate în prognoza economică. Această lucrare include exemple de extrapolare a trendurilor liniare şi quadratice. Sunt prezentaţi, de asemenea, câţiva indicatori ai acurateţei previziunii

The scope of this article is to present how the Romania’s counties evolved, relying on certain main indicators meant to find the level of cultural, social and economic development for the period 2004-2007. As three aspects considered as “hidden” factors are to be analyzed by several...

The paper aims to evaluate the opportunity of using mathematic estimation models within economic discounting computation. Several approximation models from the numerical methods theory will be considered in order to determine the evolution trend for investment projects’ economic indicators....

In the Lagrangian approach to the turbulent diffusion the species concentrations are described relative to the moving fluid. This approach is concerned with the behavior of the fluid particle existing in a carrying turbulent fluid. Lagrangian theory describes the statistics of the pollutant...