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...

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...

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 emergence of new patterns of conflict with globalization has led to the re-configuration of the security agreement and the emergence of a "new security paradigm" in recent years. Securing could still lead to neglect issues of governance and the creation (or re-creating) the state monopoly of...

Under the hypotheses IA and IB, OLS estimators are both linear and stationary. For it to provide the same minimum variance of all linear and stationary estimators and to take part of BLUE, it is necessary that the classical assumptions IIB and IIC should be available. As in the case of...

This paper presents the main aspects regarding the international trade of Romania. From the point of view of the weight of the main groups of goods out of the combined Classified List, in the overall export operations for active processing, the main weights went to: clothes articles made out of...

Non-parametric methods are useful, but raises some problems. In practice, they require a large number of observations and are used for a relatively small number of explanatory variables. Moreover, the result is sensitive to the choice of the smoothing parameter and to a lesser extent in the...

Before beingutilized, any model based on the regression function must be analysed and accommodated to the actual conditions implied by the performed analysis. The veracity of the outcomes resulting out of the utilization of the regression model implies that the significance of the model being...