Results 111 to 120 of about 3,126,053 (251)
, 2021 Tato práce se zabývá tématem trh kryptoměn. Studuje problematiku peněz, technologie stojící za vznikem kryptoměn a podrobně porovnává Bitcoin, Ethereum, XRP, Bitcoin Cash a Litecoin z pohledu investora.
Korbelář, Martin
core +1 more source
A qualitative assessment of quantitative easing sentiment
Economic Inquiry, EarlyView.Abstract This mixed‐method study undertakes a comprehensive inquiry of the public discourse on social media surrounding quantitative easing (QE) across the US, the UK, and the European Union. Utilizing a unique tweet dataset, we reveal the sentiment polarity toward QE policy to be strongly negative, at 71.27%, with positive sentiment a mere 4.25 ...
Niamh Wylie, Martha O’Hagan‐Luff
wiley +1 more source
Preventing criminal activity with cryptocurrency [PDF]
openCryptocurrencies have transformed finance, enabling decentralized, anonymous transactions without banks. While reducing transaction costs and enhancing accessibility, they have also been misused for criminal purposes.
KLJAJIC, STEFAN
core
Trading Strategy of the Cryptocurrency Market Based on Deep Q-Learning Agents
Applied Artificial IntelligenceAs of December 2021, the cryptocurrency market had a market value of over US$270 billion, and over 5,700 types of cryptocurrencies were circulating among 23,000 online exchanges.
Chester S. J. Huang, Yu-Sheng Su
doaj +1 more source
Volatility ≠ Risk: When Timing Alpha in Crypto Markets Reflects Mispricing
Financial Review, EarlyView.ABSTRACT Volatility timing in cryptocurrency markets generates significant alpha, but only during periods of loose monetary policy and high uncertainty. Analyzing S&P crypto indices (2017–2023) dominated by large‐cap assets, we show realized volatility can reflect noise‐driven speculative flows, not risk compensation. This effect is strongest for small‐
Arben Kita, Yue Zhang
wiley +1 more source
The resilience of cryptocurrency market efficiency to COVID-19 shock. [PDF]
Physica A, 2022 Fernandes LHS +4 more
europepmc +1 more source
Firm Size and Momentum Returns: The Roles of Analyst Coverage and Herding Behavior
Financial Markets, Institutions &Instruments, EarlyView.ABSTRACT Momentum strategies have historically generated excess returns, but their effectiveness noticeably deteriorated in the post‐pandemic period, especially in 2022–23. In this paper, we explore how changes in investor attention during and after the COVID‐19 pandemic may have altered the performance of momentum strategies.
Yiyi Zhang, He He, Qian Guo, Jing Chen
wiley +1 more source
FINANCIAL SYSTEM OF THE INFORMATION ECONOMY
Стратегічна панорама, 2018 Both the global financial system and financial systems of particular countries transform extensively under the conditions of information technology dynamic development.
Oleksandr Vlasiuk
doaj
The Ideology of Sovereign Money: How Bitcoin Harms Politics
Constellations, EarlyView.
Nanna Lilletvedt Sæten
wiley +1 more source
Specification Tests for Jump‐Diffusion Models Based on the Characteristic Function
International Statistical Review, EarlyView.Summary Goodness‐of‐fit tests are suggested for several popular jump‐diffusion processes. The suggested test statistics utilise the marginal characteristic function of the model and its L2‐type discrepancy from an empirical counterpart. Model parameters are estimated either by minimising the aforementioned L2‐type discrepancy or by maximum likelihood ...
Gerrit Lodewicus Grobler +3 more
wiley +1 more source