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...

In the Romanian economy, the constructions sector occupies an important and significant place. As our economy is on a developing path, it is expected and normal that the results and weight of this activity is focused on the private sector and on the individual population. The state diminished...

The macroeconomic results indicators have recorded a disastrous trend over the period January 2009 - January 2012 as a result of the effects of the economic and financial extended crisis, worsened by the extended political and moral crisis, the lack of efficiency of the government activity and...

In the authors meaning, this work submits the merits of utilizing the chain based system for building up the price indices within the time series comparatively with the utilization of the fix base system. Meantime, the authors are emphasizing the different properties, axioms or tests, which...

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...

The occupied population includes all persons – both employees and freelancers – who develop a productive activity within the production limits of the European Accounts System. In this figure it is included the number of employees determined in compliance with the accounts that take into...

Time series, which emphasize the temporal characteristic of phenomena, are an important in the context of macro-economical analyses. Specific to the dynamic series is the fact that they are defi ned for complex entities, characterized by a high level of variation for indicators, including...