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: 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 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...

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...

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...

Romanian Abstract: Lucrarea prezintă utilizarea metodelor Jacobi şi Seidel Gauss în rezolvarea sistemelor liniare cu aplicaţii în economie. Aceşti doi algoritmi clasici sunt utilizaţi pentru analiza raportului dintre cerere şi ofertă. Se face astfel o analiză a evoluţiei preţului...

Romanian Abstract: Sistemele liniare sunt utile în analiza situaţiilor în care datele cantitative este necunoscute sau trebuie să fie măsurate şi informaţiile calitative sunt cunoscute; astfel de situaţii apar frecvent în discipline precum economia, biologia, etc. Dezvoltarea de noi...

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)...