Is it Possible to Earn Money on the Warsaw Stock Exchange? New Approach to Risk Diversification

Entropy ◽  
2022 ◽  
Vol 24 (1) ◽  
pp. 88
Author(s):  
Urszula Grzybowska ◽  
Marek Karwański

One of the goals of macroeconomic analysis is to rank and segment enterprises described by many financial indicators. The segmentation can be used for investment strategies or risk evaluation. The aim of this research was to distinguish groups of similar objects and visualize the results in a low dimensional space. In order to obtain clusters of similar objects, the authors applied a DEA BCC model and archetypal analysis for a set of companies described by financial indicators and listed on the Warsaw Stock Exchange. The authors showed that both methods give consistent results. To get a better insight into the data structure as well as a visualization of the similarities between objects, the authors used a new approach called the PHATE algorithm. It allowed the results of DEA and archetypal analysis to be visualized in a low dimensional space.


2021 ◽  
pp. 1-17
Author(s):  
Daniel Kosiorowski ◽  
Jerzy P. Rydlewski ◽  
Tadeusz Klecha ◽  
Dominik Mielczarek

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3815
Author(s):  
Magdalena M. Stuss ◽  
Zbigniew J. Makieła ◽  
Agnieszka Herdan ◽  
Gabriela Kuźniarska

If corporate social responsibility (CSR) is expected to work efficiently, there should be a standardised approach for implementation of the CSR concept for all businesses, including companies operating in the energy sector. Although many companies declare compliance with CSR standards, further investigation should be undertaken to evaluate if and how those standards have been applied in practice. The aim of this research is to examine the level of standardisation of the CSR activities within Polish energy companies and explore the good practices developed by those companies. The Polish energy companies have been selected for the investigation as the literature review we conducted demonstrates that there is limited research in this area and there is a knowledge gap regarding how Polish energy companies apply CSR regulation in practice. To accomplish the stated aims, the following research questions were developed: (1) What is the essence of applying the CSR concept in Polish energy companies, and at what level of development is the concept applied? (2) To what extent do Polish energy companies have a common approach to the CSR concept, and in what areas are there differences? (3) To what extent have Polish energy companies applied global CSR standards and solutions? (4) Is there a gap between the declared measures of CSR and their actual implementation in Polish energy companies? The research methodology of this study is based on a systematic literature review of the sources acquired from databases such as ProQuest, Emerald, SCOPUS and the Jagiellonian University Library. The multiple case study approach was identified as the most suitable research tool. Companies for the study were selected according to their affiliation to the energy sector and listing on the main market of the Warsaw Stock Exchange. These two assumptions allowed us to base this study on the largest Polish energy companies that have international status. Six areas of CSR annual report disclosures have been identified and used for the investigation and analysis. This research looks at similarities and difference between these six aspects of CSRs disclosed by Polish energy companies. The investigation allows us to conclude that the top three energy companies use similar tools to build their CSR strategies: formalised CSR concept, published CSR reports, disclosure of CSR information on the company website, CSR related activities offered to stakeholders, obtained CSR certificates, and CSR awards. This indicates the existence of a standardised approach to CSR across Polish energy companies.


Energies ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3668
Author(s):  
Mariusz Zieliński ◽  
Izabela Jonek-Kowalska

The article refers to the issues of financial profitability of undertaking CSR activities, which is widely reported in literature. The four largest electricity producing companies in Poland were selected for the analysis. The research period covers the years 2009–2019, when the index of socially responsible companies was operating on the Warsaw Stock Exchange. The main purpose of the article is to compare the profitability ratios and quotations of energy companies in Poland declaring themselves socially responsible with companies of the same sector that have not expressed such a declaration. The results obtained on the basis of descriptive statistics, concerning profitability ratios and stock market quotations, indicate no relationship between their level and stability and the companies’ declarations of compliance with social responsibility. Companies declaring themselves socially responsible were placed in the ranking between the results of companies that did not belong to the indicated index. This may be the result of the specific situation of energy companies in Poland.


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