In this paper we have studied the dependence between GDP, final consumption and net investments. To analyze this correlation, the article proposes a multiple regression model, extremely useful tool in economic analysis. Regression model described in the article considers the GDP as outcome...

German Chancellor Angela Merkel spent four days in early March 2011, like many around the world, watching the nuclear disaster in Fukushima, Japan, unfold on television. These events caused Merkel, a reasoned supporter of nuclear energy, to make a radical change in direction. On March 15, Merkel...

The characterization of the evolution over a past period (ex-post) of the prices for consumption goods and services acquired on the market implies the construction and the analysis of the specific chronological series. These series are built up for both absolute and relatives indicator, mainly...

GDP, one of the main macroeconomic aggregates specific to SNA represents the synthetic expression of economic activity results produced within the economic territory over a period of time, regardless of the contribution that they had domestic or foreign subjects.

More than five decades after World War ii and two decades since the end of the cold War and its corresponding threat of nuclear annihilation, existential security concerns seem far from the minds of average Europeans. This sense of safety, combined with tight government budgets in a time of...

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.

In the heat of the debt crisis, German Chancellor Angela Merkel made an admission that clarified for many the stark choices facing Europe: rolling government debt too far into the future was no longer an option for Germany because there was no guarantee the country’s aging population could...

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...

Statistical models are tools that help the investor in determining the amount of dependent, depending on the factors causing them, namely of independent variables. It is very important for the investor to understand how funcþoneazã these models and what is the impact of an erroneous uses of...

Using a factorial design for explaining the rentabilitãþilor allows to reduce the volume of such calculations as long as the number of factors is less than the number of assets. Under these circumstances, rather than to introduce wording ARCH directly into rentabilitãþilor, estimate it will...