This paper tests for the existence of a non-linear pattern in the process of real economic convergence. It uses a sample of 88 countries for the period 1980-1999.

Urban systems are becoming increasingly complex as urban economies, social and political structures and norms, infrastructure systems and technologies evolve. Therefore, the development of operational urban simulation models is required in order to achieve an improvement of the quality of...

În cuprinsul prezentei lucrări sunt examinate valenţele indicatorului “coeficientul de determinare standardizat”, propus de autor, pentru cuantificarea eficienţei utilizării variabilelor explicative şi a ierarhizării condiţiilor care trebuie îndeplinite în cazul unor teste...

This paper aims to establish particularities for the relationship between exchange rate volatility and the international trade in Romania. Currency depreciation, normally, should stimulate exports, because they become cheaper to foreign products and to discourage imports because they will spend...

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 paper approaches some main objectives of the analysis of trends in discrete time series. A major aspect of this analysis is to identify a mathematical model that describes the persistent long-term movement of the studied variable. The model could reveal some important characteristics of the...

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...

The time series techniques are widely used in the financial analysis. This paper approaches some characteristics of the financial variables that particularize their evolution. It also presents some simple techniques of the time series analysis.