In the article attitude of certain self-government bodies in Poland regarding the use of geothermal energy was discussed. In the synthetic way some development barriers of geothermal energy in Poland were described and factors which have a bearing on making a decision to build the geothermal objects were characterized. An issue of the economic profitability, as well as importance of geothermal energy for the development of a city were also emphasized. Using the example of geothermal energy effects made in the small town of Uniejów, the author in the synoptic presentation described predicted benefits to the development of Zduńska Wola town.(original abstract)
W artykule przedstawiono ocenę efektywności technologicznej i efektywności skali produkcji gospodarki poszczególnych województw w Polsce na podstawie metody analizy obwiedni danych (DEA). Przeprowadzone badania wykazały wpływ skali produkcji na efektywność technologiczną w większości województw.
EN
The article deals with the economic efficiency of individual Polish voivod-ships. It depends not only on the size, capital structure, technology and the organization of production but also on the scale of production. For each regional or country economy there is such a volume of production, which allows full use of scale (benefits) effects. An attention was focused on the impact of the scale of production on changes in technological efficiency of the economy. As a result of application of the method Data Envelopment Analysis (DEA) method, an assessment of the impact of economies of scale on the level of the technology efficiency was made. (original abstract)
W artykule przedstawiono ogólne założenia logistyki zwrotnej. Mechanizm funkcjonowania logistyki zwrotnej odniesiono do korzyści, które firmy mogą uzyskać, włączając ten system do swoich ogólnych strategii. Zaprezentowano również główne bariery, które stoją przed menedżerami wdrażającymi koncepcję logistyki zwrotnej. Zalety stosowania wspomnianej koncepcji przedstawiono na przykładzie firmy Xerox i Coca-Cola.
EN
The article presents the general assumptions of reverse logistics. The mechanism of operation of the reverse logistics referred to the benefits that companies can obtain including this system to the company's overall strategy. Also there was presented the main barriers faced by managers. Based on the Xerox and Coca-Cola case studies author tried to show the advantages of using the concept of reverse logistics in companies.
The main objective of this article is evaluation of effectiveness of small water reservoirs complex "Kobiór". The main subject of study was man-made small water reservoir located in Silesia region. Based on this study, analysis of economic efficiency was made. The cost benefit analysis (CBA) was used, relaying on identification and evaluation of economic effects related with exploitation of this water reservoirs complex Kobiór. Economical effectiveness was calculated based on time and rate of return as well as NPV indicator.
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