Acta Universitatis Lodziensis. Folia Oeconomica: Recent submissions
Now showing items 2621-2640 of 4530
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Zmiany w potencjale opieki zdrowotnej w Polsce w latach 1995-2005
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Restructuring problem of health care establishment - in sense of liquidation of ineffectiveness establishments or cost-generating without any adequate results - is discussed for more than 15 years, but the pressure of ... -
Metodologiczne dylematy zachodniej ekonomii
(Wydawnictwo Uniwersytetu Łódzkiego, 1985)The article contains an analysis of the following methodological trends instrumentalist, conventionalism, descriptive approach « and an evaluation of the general situation in development of methodology in the contemporary ... -
Niektóre kierunki rozwoju ekonomii burżuazyjnej w latach siedemdziesiątych (ekonomia popytu i ekonomia podaży)
(Wydawnictwo Uniwersytetu Łódzkiego, 1985)The article discusses on extremely important problem faced by the contemporary bourgeois economy i.e. analysis of causes underlying its crisis and directions of its development in the last decade. It begins with description ... -
Wprowadzenie
(Wydawnictwo Uniwersytetu Łódzkiego, 1985) -
Zjawiska kryzysowe we współczesny ekonomii niemarksistowskiej a poszukiwanie nowych podstaw metodologicznych
(Wydawnictwo Uniwersytetu Łódzkiego, 1985)The article is an attempt at reconstruction of critical reflection of the contemporary non-Marxist thought on its previous cognitive-methodological achievements, as well as an attempt at pointing out more important ... -
Duration of Unemployment in the Area of the District Job Centre of Pabianice in the Year 2005 : Empirical Analysis of Changes in Time by Demo-Social Features
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Duration is one of the most serious drawbacks of the national unemployment. Some data on the unemployment structure including duration of remaining unemployed and selected demo-social features are available on the government ... -
Sequential Probability Ratio Test for Mean Based on Pseudo-Likelihood Function
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Hypotheses about expected value of random variable can be verified by means of the parametric sequential probability ratio test in case of the known class of this variable's distribution. The problem with verification of ... -
Using Artificial Neural Networks to Predict Stock Prices
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Artificial neural networks constitute one of the most developed conception of artificial intelligence. They are based on pragmatic mathematical theories adopted to tasks resolution. A wide range of their applications also ... -
The Wavelet Transform in Regression
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The wavelet transform was introduced in the 19S0's and it was developed as an alternative in tin short time Fourier transform. The wavelets theory is very popular in signal processing and pattern recognition and its ... -
Estimation of Variance of Logistic Regression Predictors for Small Areas
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Logistic regression models can be applied for analysis of Bernoulli variables in studies of small areas. In the paper the logistic regression predictors for parameter of the Bernoulli distribution and an estimation of ... -
Kruskal-Wallis Test in Multiple Comparisons
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)In this paper we show that the Kruskal-Wallis test can be transform to quadratic form among the Mann-Whitney or Kendal τ au concordance measures between pairs of treatments. A multiple comparisons procedure based on patterns ... -
Evaluation of Investing Efficiency of Open Pension Funds by Means of the Method of Cluster Analysis
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The following study aims at analyzing the activity of open pension funds so far. To evaluate their efficiency, the author uses profitability indicators of investment portfolio such as Sharpe, Treynor and Jensen Ratio as ... -
Application of Discriminant Analysis and Neural Networks to Forecasting the Financial Standing of Farms
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The aim of the research was to determinate a linear discriminant function and neural network that could be applied for financial situation forecasting in polish farms sector. The construction of discriminant models was ... -
Comparing Income Distributions - Methods and their Application to Wage Distributions in Poland
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Rankings of income distributions are usually based on comparisons of social welfare. Assuming more or less general form of a social welfare function we can compare income distributions in time and in space. Income inequality ... -
Forecasting Income Distributions of Households in Poland on the Basis of Markov Chains
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)In order to forecast income distributions of population, we can make use of, among others, stochastic processes. These processes can be used to determine probabilities of transition of households from one income class to ... -
On the Multivariate Test for Stability of the Population Proportions
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The paper investigates the problem of testing the hypothesis of the stability proportion for multiple attributes. It is assumed that two random samples of size n0 and n1, respectively an selected from the population. In ... -
A Proposal of New Classification Algorithm
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)In the paper a new method of classifying points to a predetermined number of classes is presented. The method is based on the use of the sample/window mean shift technique to obtain a synthetic insight into the data set ... -
An Influence of Distance Measure Among Sample Units on Efficiency of the Modified Synthetic Estimator : Monte Carlo Analysis
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The problem of insufficient number of sample observations representing a given population domain of interest (small area) can be solved by applying estimators, which will be able to combine sample information from the given ... -
Internal Cluster Quality Indexes for Classification of Symbolic Data
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)This paper describes main classification methods used for symbolic data (e.g. data in form of: single quantitative value, categorical value, interval, multivalued variable, multivaliued variable with weights) presents ... -
On Testing Linearity of Trend Function
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Testing the goodness of fit between a hypothetical trend function and its non-parametric variant will be considered. This problem was analysed e.g. by Domanski (1979, 1990), Wywiał (1990, 1995). Our result can be treated ...