Acta Universitatis Lodziensis. Folia Oeconomica nr 117/1992PRACE Z ZAKRESU METOD STATYSTYCZNYCHhttp://hdl.handle.net/11089/61942024-03-28T20:21:37Z2024-03-28T20:21:37ZWpływ dochodu na poziom indeksów kosztów utrzymania pracowniczych gospodarstw domowych w roku 1983Czajkowski, Andrzejhttp://hdl.handle.net/11089/62202018-02-01T11:17:39Z1992-01-01T00:00:00ZWpływ dochodu na poziom indeksów kosztów utrzymania pracowniczych gospodarstw domowych w roku 1983
Czajkowski, Andrzej
The paper analyzes the in fluence of the income on the dynamics of the cost of living in the households of the socialized sector employees in 1983.
The indices were estimated for each individual household and, simultaneously, due to the lack of appropriate information on prices, as implified assumption was made. Under th is assumption a set of representative commodities and service s was identical for all the households and only systems of index weights were differentiated. The influence of the income on the dynamics of cost of living in households was studied through the observations of the levels of indices in different income groups and through the application of statistical models of the cost of living in dices. As a result of the research i t was ascertained that the level of in dices estimated in 1983 was increasing according to the increase in household incomes.
1992-01-01T00:00:00ZUogólnienie statystyki X² w wielowymiarowej analizie statystycznejStępień, Lechosławhttp://hdl.handle.net/11089/62012018-02-01T11:17:36Z1992-01-01T00:00:00ZUogólnienie statystyki X² w wielowymiarowej analizie statystycznej
Stępień, Lechosław
Generalization of statistic X² has been performed in the article and then the statistic has been applied to solving problems concerning the multidimensional statistical analysis. Independency test X² has been examined and its application has been illustrated by an empirical example derived from medical research.
1992-01-01T00:00:00ZMetoda największej wiarygodności a regresja przełącznikowaPruska, Krystynahttp://hdl.handle.net/11089/62002018-02-01T11:17:36Z1992-01-01T00:00:00ZMetoda największej wiarygodności a regresja przełącznikowa
Pruska, Krystyna
The article deals with the problem of switching regression. The model of switching regression together with the maximum likelihood method and an equivalent Kiefer’s method meant as such model’ s parameters estimation method are presented here.
One of the examples of the switching regression models are the econometric disequilibrium models describing demand and supply in the non-balanced markets. The article contains results of parameters estimation for two disequilibrium markets: fish and their products market and the labour market in the petroleum and power industry by means of Kiefer’s method. The Monte Carlo analys is of estimators’ properties obtained by means of Kiefer’s method has been presented ?s well. In the
view of the performed experiments, estimators for two assumed specifications of disequilibrium models were characterized with statistically significant mean biases and deviations from the normal distributions when the sample size was small, as it was assumed in the experiments (23 and 24). It results from the above that the Kiefer’s method does not give good enough estimates of the switching regression models’ parameters.
1992-01-01T00:00:00ZOcena aproksymacji rozkładów płac według wysokości w gospodarce uspołecznionej rozkładem logarytmiczno--normalnymJędrzejczak, Alinahttp://hdl.handle.net/11089/61992018-02-01T11:17:37Z1992-01-01T00:00:00ZOcena aproksymacji rozkładów płac według wysokości w gospodarce uspołecznionej rozkładem logarytmiczno--normalnym
Jędrzejczak, Alina
The article shows approximation of wages distribution in the socialized sector in 1986 by means of logarithmic normal distribution. Most examined wages distributions proved high consistency with the logarithmic normal distributions.
1992-01-01T00:00:00Z