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EN
The paper contributes to the discussion on the possibilities of reducing greenhouse gases emissions from the sectors that are not covered by the European Union Emissions Trading System (the so-called non-ETS sectors). The author deals with some issues that should be taken into consideration while evaluating the validity of bringing additional sectors (i.e. transport, agriculture and buildings) into the European Union Emissions Trading System. Different approaches to including new sectors to the Emissions Trading System are considered. The research methods include descriptive and comparative analysis.
PL
Opracowanie włącza się w nurt rozważań nad możliwościami redukcji emisji gazów cieplarnianych z sektorów nieobjętych Europejskim Systemem Handlu Emisjami. W artykule poddano pod dyskusję zasadność poszczególnych rozwiązań w zakresie ewentualnego włączenia do Europejskiego Systemu Handlu Emisjami trzech sektorów znajdujących się poza nim, tj. transportu, rolnictwa i użytkowania budynków. Zastosowane metody badawcze obejmują elementy analizy opisowej i porównawczej.
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EN
This article deals with the emerging topic of stablecoins, which is an umbrella term used to refer to a stable cryptocurrency. The authors shall address a number of questions, namely: what are stablecoins; when are they used; what are the most common characteristics of stablecoins. The authors shall also present a taxonomy of stablecoins based on the mechanism employed to stabilize their value. A more thorough exploration of the market for stablecoins will follow, with particular attention given to the controversies surrounding the most popular of stablecoins – Tether.
EN
This paper is aimed at presenting application of bootstrap interval estimation methods to the assessment of financial investment’s effectiveness and risk. At first, we give an overview of various methods of bootstrap confidence interval estimation, i.e. bootstrap-t interval, percentile interval and BCa interval. Then, bootstrap confidence interval estimation methods are used to estimate confidence intervals for the Sharpe ratio and TailVaR of the Warsaw Stock Exchange sectoral indices. The results show that the bootstrap confidence intervals of different types are quite similarly positioned for each of the analysed index and measure. Taking into the account the locations of confidence intervals for both the Sharpe ratio and TailVaR, the real estate sector tends to be the most advantageous from the investor’s viewpoint.
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