Acta Universitatis Lodziensis. Folia Oeconomica: Ostatnio dodane
Wyświetlanie pozycji 2621-2640 z 4520
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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 ... -
Ordering the Spatial Units by the Non-standard Method at Various Standarization Transformations
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Applying various standardization transformations for the set of characteristics we receive various ordering of spatial units. In the paper for the purpose of ordering we used the nonstandard method in two variants: of the ... -
Selected Premium Estimation Methods in Automobile Liability Insurance
Szymańska, Anna
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)
Correct insurance premiums estimation constitutes the basis for the insurance activity. Premiums should be estimated in a way that does not let the insurance company incur financial losses and prevents the insured from ... -
Knowledge Indicators for Polish Provinces
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Knowledge-based economy (KBE) has been recently the subject of many analyses and academic research. Methods of its assessment have been worked out by a few international institutions such as the World Bank. Their experts ... -
Remarks on Classical Means for One and Many Samples
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)In the paper there were given basic designations for one and many samples in reference to classical means. In the next there were introduced the optimization criteria defining classical means for one sample, also for the ... -
Współczesny neoinstytucjonalizm amerykański (na przykładzie poglądów J.K. Galbraitha)
(Wydawnictwo Uniwersytetu Łódzkiego, 1985)The article is an attempt at providing an answer to two questions. Firstly - to what extent J. K. Galbraith’s theoretical contributions are an expression of transformations occurring in the American economy and, secondly ... -
Efekt kapitalizacji na Giełdzie Papierów Wartościowych w Warszawie
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)This article is providing the analysis of the rate of return basing on the Warsaw Stock Exchange Market according to some anomalies like small companies rate of return that is higher on average than investment in shares ... -
Analiza wpływu zarządzania zapasami na wyniki finansowe przedsiębiorstw energetycznych
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The article deals with problems connected with inventory management in enterprises of energy sector, due to constantly changing environment of their functioning, which is one of the most important issues in enterprises in ... -
Clusters w problematyce zarządzania przedsiębiorstwem
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)Monitoring of the setting changes in environment, to adapt them to one's activities, is the basic premise of functioning of present economic subjects. A wider glance at the environment where the enterprise operates is ... -
Macroeconomic Risk of Investment Portfolios at the Warsaw Stock Exchange
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The essay presents the attempt to examine selected macroeconomic risk factors of portfolio Investments in Polish capital market as well as to build investment portfolios sensitive to particular risk profiles. With this ... -
Ewolucja roli rad nadzorczych w kreowaniu strategii w polskich holdingach w latach 2000-2007
(Wydawnictwo Uniwersytetu Łódzkiego, 2009)The paper covers the problem of the competences of the Board of Directors in parent company and in the business units. It indicates the legal framework for the Board to inspire, to analyze, to give expertise and to approve ...