The article presents a dataset on the characteristics of stablecoins. Stablecoins represent a relatively young but increasingly important branch of the cryptocurrency market. Although they all share the same goal of maintaining a stable value in the digital market, they form a highly heterogeneous group. They differ in terms of collateral and stabilization mechanism, peg, availability of the technical documentation, presence on crypto exchanges or age. The dataset is cross-sectional and was created based on internet research. Individual information was collected from websites of the stablecoin projects and a crypto-data aggregator, and to a lesser extent from other auxiliary sources (websites related to finance and cryptocurrencies). The dataset is unique as there are no publicly available databases encompassing the features of stablecoins. It can be used in all stablecoin-related analyses to characterise the examined coins and to investigate the relationship between cryptocurrency market developments and stablecoin features.
Z a r y s t r e ś c i. Artykuł poświęcony został analizie zależności przyczynowych w sensie Grangera w średniej i wariancji pomiędzy kursem terminowym ropy naftowej a wartością dolara amerykańskiego w stosunku do koszyka walut światowych. Zastosowano procedurę testową Cheunga i Ng oraz Honga, która polega na badaniu współczynników korelacji pomiędzy szeregami w różnych odstępach czasowych. Test Honga przypisuje wyższe wagi korelacjom odpowiadającym odstępom niższego rzędu. Pozwala to uwzględnić istotny aspekt postarzania się napływających informacji, które kształtują reakcje inwestorów.. S ł o w a k l u c z o w e: ropa naftowa, przyczynowość w sensie Grangera, testowanie przyczynowości w średniej, testowanie przyczynowości w wariancji. K l a s y f i k a c j a J E L: G15, Q47.
The goal of this paper is to check existence of Granger causality in risk between eleven European stock markets and crude oil market. We analyze bidirectional instantaneous and delayed Granger causality in tails test results, i.e. whether occurrence of the extreme returns on the crude oil market precede similar events on the main European stock markets and vice versa. Using Brent futures prices and main stock indices in Europe (Belgium, France, Germany, Greece, Italy, Netherlands, Norway, Poland, Spain, Sweden and United Kingdom), we apply testing procedure developed by Candelon and Tokpavi (2016). The main conclusion is that in the vast majority of cases instantaneous causality in tails was symmetrical. We also found that more long-lived reaction appeared as a result to the negative news from the oil market and from the stock markets.
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