EVALUATION OF STABILITY PARAMETERS OF CONSUMER DEMANDS ECONOMETRIC MODELS (Badanie stabilnosci ocen parametrów ekonometrycznych modeli popytu konsumpcyjnego)

This article presents information about the opportunity to examine the stability of the evaluations of the parameters of consumer demand's econometric models. The authors indicated the source providing information on methods of investigating the stability evaluation of econometric models for the use of statistical data having a form of time series. The calculations and the analysis of changes in income and expenditure of households belonging to different socio-economic groups include the years 1993-2008.