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Hanna Zofia Kolodziejczyk
Pág. 7 - 16
Financial market participants are influenced by the news reaching them from all manner of sources, including the country?s central bank. In this paper we model daily returns of WIG20 index with respect to announcements made by the National Bank of Poland...
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Yuliya Zaloznova, Nataliia Trushkina
Pág. 27 - 36
Performance features of coal mining enterprises in terms of organization of the marketing activity have been studied, including: constant fluctuations of the market of coal products; economic sensitivity to the irregular demand for coal (surplus or defic...
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Avi Perez
Pág. 7 - 13
In this paper, the concepts of need, choice, and responsibility in the context of the Israeli housing market are explored and analysed. These concepts are significant for the understanding of the interaction between households and government intervention...
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Michal Dominik Stasiak
Pág. 39 - 45
An exchange rate between two currencies can be described in a binary representation. The binarization algorithm transforms the exchange rate represented by tick data into a binary string. Each course change equal to a given discretization unit is assigne...
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Piotr Lis
Pág. 2 - 6
Dear Readers,I have the pleasure of presenting to you the first issue of our research journal entitled ?Research Papers in Economics and Finance? (REF), published by the Faculty of Economics at Poznan University of Economics and Business. Caring about th...
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Georgia-Maria Nteve, Stefanos Kostas, Alexios N. Polidoros, Panagiotis Madesis and Irini Nianiou-Obeidat
Olive (Olea europaea L.) is a crop of enormous economic and cultural importance. Over the years, the worldwide production of olive oil has been decreasing due to various biotic and abiotic factors. The current drop in olive oil production resulting from ...
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?tefan Markulik, Marek ?olc and Milan Filo
The world is undergoing dynamic changes. For businesses, it brings positives, but also negatives. The positive is the global market for business. The downside of the global market is the increasing competitive pressure. Large enterprises with serial prod...
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Slim Zidi, Lyes Kermad, Nadia Hamani and Hedi Zidi
The COVID-19 pandemic revealed weaknesses in the global supply chain management. With stock-outs, transportation problems and the bullwhip effect caused by ever-changing demand, it is necessary for decision-makers to review their supply chain configurati...
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Won Sil Choi and Sang Hyeon Lee
This study proposes a method to analyze market structures using changes in the number of farms and amount of farm incomes, taking Korea as a case study. We discern the market structures in agriculture by scrutinizing the impact of variations in agricultu...
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Amy H. I. Lee and He-Yau Kang
Within the competitive global market and fast-advancing technology environment, in order to survive and to succeed, firms need to spontaneously respond to market changes and the uncertainty of customer needs. Therefore, New Product Development (NPD) is e...
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