The essay defines the essence of the National Statistical Information System and principal directions reforming the informational statistics system and it harmonization on the European standards. The author presents the functional scheme of the statistical information system and formulated the...

Descriptive statistics facilitates the revealing of some important features of the financial variables evolutions. In this paper we present some indicators of the central tendency and the dispersion. We approach, also, the skewness and kurtosis of the financial variables.

In this article the author examines, based on the inflation rate and unemployment rate registered in Romania during 1993-2004, how to show Okun's Law. Results consist of two distinct models explaining the dependency between the GDP’s growth rate of and the unemployment rate’s growth and vice...

This book approaches the use of statistical analysis in solving business-oriented problems. We present some quantitative techniques applied in the analysis of some important aspects of business decisions: production, sales, costs and efficiency.

This book approaches the elementary statistical concepts. It presents also some statistical methods of collecting and analysis of data.

The purpose of the present paper is to describe a model of quarterly GDP forecast, categories of uses, in accordance with the development priorities of the Republic of Moldova in the medium term. The achievement of the main purpose requires to draw up the tasks, among which: - Conceptual...

Romanian Abstract: Metoda mediilor mobile reprezintă o modalitate facilă de estimare a trendurilor seriilor de timp. Această lucrare abordează câteva din tehnicile mediilor mobile: simple, multiple, centrate şi ponderate

Romanian Abstract: Coeficienţii ecuaţiilor asociate trendurilor polinomiale seriilor de timp pot fi identificaţi prin intermediul unor regresii multiple liniare. Această lucrare oferă un exemplu de estimare a parametrilor unui trend cvadratic

Romanian Abstract: Parametrii ecuaţiilor unor trenduri neliniare pot fi estimaţi, cu ajutorul unor transformări aplicate variabilei dependente sau celei independente, prin intermediul unor regresii simple liniare. Această lucrare abordează identificarea a două tipuri de astfel de trenduri:...

Romanian Abstract: Analiza trendului este o componentă importantă a unei investigaţii asupra evoluţiei unei variabile. Rezultatele acesteia pot servi în aprecierea tendinţei fiind utile, totodată, în prognoze. În această lucrare este abordată estimarea trendurilor seriilor de timp...