By specific methods, statistics studies including the tendency of development, designed by the specific literature as the trend and, meantime, by trying to separate the influence of the major factors (with a systematic action), from the influence of the casual factors, which involve deviations...

With this work, the authors are submitting the main theories, which led to the definition of the concept of “inflation”, pointing out the successive acceptations, which the economists – starting with classics, Adam Smith’s contemporaries – have granted, over the time, to this...

In this paper, the authors present some considerations regarding the use of the multifactorial regression model in the statistical analysis of economical phenomenon. The paper comprises the steps necessary t determine the parameters of the model, the testing of model and the interpretation of...

In this paper, the authors present an analysis of the economical-social evolution recorded in our country during the period 2000-2010. There are presented the major landmarks regarding mainly the evolutions of domestic trade, international trade, services, but without limit to these. Also, the...

Starting from the non-linear single factorial models, authors approach the linear regression model topic, by explicating the parameter estimation methodology, test of properties for the estimators of the regression model and the conditions for the use of regression in forecasting. The...