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...

This paper is focused on analyzing the international trade of Romania in the recent period, without putting aside the evolutions in the precedent years. The authors intend to present, based on official statistical data, a synopsis of the quantitative expression of the system of international...

The macroeconomic indices analyse shall be studied on goinging development in order to know the manner of actual transformation of these during each particular stage.For an actual analyse of phenomena development over time, it use as study instrument the statistical adjustment series, the...

The analysis of the correlations between the economic variables can be performed depending on non-linear functions also, which are linearized by transformations. We proceed likewise in order to submit the non-linear model in a simple equivalent form, allowing an easy interpretation of the...

OLS is considered to be, by far, the most popular and well-known method for estimating parameters of multiple regression. In this case, however, it is important to underline that there is no warranty as to the fact that OLS estimators will be, in one way or another, some “perfect” estimators.

This paper describes a use case for macro economical models, the objective being the structural analysis of the Gross Domestic Product. The authors first introduce the theoretical foundation of the model, then offer a snapshot on GDP evolution. The econometric models proposed for analysis are...

A key element in economic stability analysis is the consumer price developments in the national economy. In 2000, it had a very high rate and objective successive governments during that period was represented by undertaking measures to ensure stability and evolution influenced by economic...

This paper describes some of the most important aspects that characterize the foreign trade of Romania until June 2013. One of the most important conclusions drawn is the fact that significant decreases in volume and value of both import and export were recorded. One key factor identified in the...

The estimation of the regression function, can analyze a transformation of this function. The option for this transformation is grounded by the economic analysis which defines the parameters of interest. A procedure of adjustment is included, consisting of the elimination of the data placed at...

This paper includes an analysis of the consumption prices, as they represent a major instrument for the measurement of inflation. The analysis methodology takes into account a series of criteria that are presented and described in the first part of the paper. The results of the analysis are...