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EN
Commercial companies code includes the legal definition of the company describing different types of dominance. Both the European and Polish lawmaker wishing to create a competitive market of electric energy introduced numerous restrictions concerning vertically integrated companies. The subject matter of the following article is the attempt to answer the question whether every kind of dominance can be applicable to a capital group in the electric energy sector which is a vertically integrated enterprise and furthermore, how the restrictions concerning the energy law influence the position of the dominant company in a vertically integrated enterprise.
EN
Analysis of the CSR practice in the energy sector in Poland is the main purpose of this paper. According to the UE requirements, customers' expectations and society's demands towards ecological process of energy production this sector needs to undertake particular CSR activities. The base of the presented examination is a multi-aspect approach to the CSR taking into account sociological, management and public relations perceptions of social responsibility. The article tries to find answers for the following questions: 1. How is corporate social responsibility practiced in the energy sector in Poland? 2. What activities are recognized as responsible in this sector? 3. Does practical approach to CSR in the energy sector have either compound or instrumental characteristic? To find out answers for the above questions companies fisting on the Warsaw Stock Exchange have been considered due to their CSR endeavors.
EN
The aim of this paper is to show and compare different levels of risk during a day and during a week on spot markets from the Polish Power Exchange (POLPX) and the European Energy Exchange (EEX). Based on Principal Component Analysis (PCA) the classification of contracts from the two power exchanges was made. The classification was made for linear rates of return of 24 contracts listed on the power exchanges from 01.2009 to 24.10.2012. Additionally, the 24 contracts were divided into seven groups dependent on the day of a week. Based on these data sets the classification of risk during a week was made.
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