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...

At once with the development of money as medium of exchange, the feudal lords found out an easy way to obtain more monetary resources by monopolizing the coins’ mint. As result, they used to ask a certain percent from the gold quantity that people wanted to transform in coins (call brassage)....

The work is focusing on the main proportions and correlations which are being set up between the major macroeconomic indicators. This is the general frame for the analysis of the relations between the Gross Domestic Product growth rate and the unemployment rate; the interaction between the...