For research purposes, in order to show relationships between values of American S&P500 index and Polish WIG index, two models have been constructed. Because of the volume of the American Stock Exchange, the analysis should answer the question of “how the situation on American Stock Exchange...

This article presents the most important elements of the sensibility analysis of the profit in a company which produces n-assortments, when a volume of sale of each assortment and its unit price, unit variable cost and fixed costs of a company can singly grow with constant rates. The article...

The application of stochastic processes to the prediction of accounts receivable and cash flow is a classic financial operations research problem. Although there is a vast related literature, some theoretical and practical problems still exist. This paper investigates a form of vector which...

The author makes an attempt to assess the relative efficiency of Polish commercial banks using non-paramteric Data Envelopment Analysis. In the empirical research, use has been made of panel data – 24 commercial banks in 4 years (2001–2004). The results of sequential DEA method (which...

The deterministic and stochastic versions of the resource allocation problem have already been discussed in the literature. The goal of this contribution is to formulate optimization models applicable to the problem of resource allocation under uncertainty, which signifies that profits resulting...

The author of the article describes a method for estimating the efficiency of economic entities that produce one output using more than one input. The method consists in constructing isoquants for each object in the space of productivity of inputs. For a given object quantities of inputs are the...

In the article, the author presents Data Envelopment Analysis, which is a method for measuring relative technical efficiency. The idea of DEA method is illustrated by a simple example, where objects characterized by one input and one output only are considered. Next, a the basic DEA model (CCR...

The article presents the findings of process approach in Polish companies. It also presents consequential difficulties with the process management. It has been shown that the majority of firms this particular approach. However it meets consequential difficulties with the process identification...

Journal Review

The paper is devoted to the dependent binomial distribution. The assumption of independence of the random variables in the classical binomial distribution is omitted, so we obtain a more realistic situation. The definition and basic properties of such distribution are presented. The dependent...