Quantile connectedness among digital assets, traditional assets, and renewable energy prices during extreme economic crisis

Technological Forecasting and Social Change, Journal Year: 2024, Volume and Issue: 208, P. 123635 - 123635

Published: Sept. 8, 2024

Language: Английский

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Lan toả rủi ro đuôi của thị trường tiền điện tử

Tạp chí Kinh tế và Phát triển, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Nghiên cứu được thực hiện nhằm mục tiêu đánh giá hiệu ứng lan truyền rủi ro đuôi giữa tám loại tiền điện tử (Bitcoin, Ethereum, Tether, Binance, USD Coin, XRP, Dogecoin và Cardano) trong giai đoạn 2018 – 2024. Để làm rõ vấn đề này, nghiên sử dụng mô hình tự hồi quy có điều kiện (Conditional Autoregressive Value-at-Risk: CAViaR) do Engle & Mangenelli (2004) xuất để ước tính trị bất đối xứng. Sau đó, chỉ số tỏa theo phân vị Chatziantoniou cộng sự (2021) xác định dưới các thị trường thay đổi (rủi cao, trung bình thấp). Kết quả tích nghiệm cho thấy đáng kể tại ảo cao. Ngoài ra, vai trò nhận của từng ràng cụ thể: (1) Trước COVID, (2) Trong COVID-19 (3) Chiến tranh Nga–Ukraine. là kênh thông tin quan trọng nhà đầu tư chính sách.

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Evaluation of Bitcoin Investment Viability in Mozambique: Opportunities and Risks in an Emerging Market

Economics, Journal Year: 2025, Volume and Issue: 14(1), P. 11 - 21

Published: March 6, 2025

This study examines the viability of Bitcoin investment in Maputo, Mozambique, within context growing global adoption cryptocurrencies. The research highlights advantages Bitcoin, such as lower transaction fees and elimination financial intermediaries, offering greater efficiency flexibility for merchants investors. blockchain technology underlying provides security privacy transactions, making them resistant to fraud. However, Bitcoin's high volatility presents a significant challenge, particularly unregulated markets like where lack clear regulatory framework limits wider adoption. Using mixed-method approach, quantitative data were collected from 23 investors through structured questionnaires, qualitative gathered semi-structured interviews with three analyst. Statistical analysis, conducted using R software, included tests Chi-Square, Student’s t-test, Mann-Whitney U, Pearson correlation, logistic regression, factor analysis understand patterns motivations results revealed no association between gender recommendations, although education level showed marginally relationship, indicating that individuals higher literacy are more likely recommend Bitcoin. also found differences returns men women, suggesting strategy plays crucial role. Risk-seeking achieved substantially returns, reflecting speculative nature study's limitations include small sample size specific cryptocurrency regulations which restrict generalizability findings. Recommendations promoting programs on cryptocurrencies, considering legalization regulation by Central Bank increasing banking sector's involvement discussions, expanding returns. These actions could contribute secure informed environment Mozambique.

Language: Английский

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Antibacterial Activity of <i>Aloe schweinfurthii</i> Gel in the Preservation of Periodontal Ligament Cells of an Erupted Immature Permanent Tooth

International Journal of Dental Medicine, Journal Year: 2025, Volume and Issue: 11(1), P. 10 - 19

Published: March 6, 2025

Effective management of an expelled tooth requires its rapid transport to the dental office, in a liquid adapted cell survival. For this, some preservation media have been evaluated tropical areas with regenerative and antibacterial properties. These inaccessible and/or non-regenerative pushed our research towards alternative including <i>Aloe schunfurthii</i>. Our general objective was evaluate activity schweinfurthii</i> gel on survival periodontal ligament cells immature permanent tooth. To achieve this objective, we conducted experimental study. It carried out at Yaoundé University Hospital extracted premolars that were preserved different dilutions pH. Cell vitality read using optical microscopy after aqueous eosin staining three-hour intervals. The determined from bacterial samples ligaments according three successive steps ranging culture strains determination diameters inhibition parameters. Chi 2 test used compare media. methodology allowed us obtain results which showed had CMB/MIC ratio lower than 4, revealing bactericidal all bacteria tested. obtained conclude is conservation

Language: Английский

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Economic growth and carbon emissions nexus: environmental sustainability a case of japan from East Asia

Discover Sustainability, Journal Year: 2025, Volume and Issue: 6(1)

Published: March 17, 2025

Language: Английский

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Hedging Risks & Strategies under Energy and Food Crisis

Highlights in Business Economics and Management, Journal Year: 2025, Volume and Issue: 50, P. 291 - 298

Published: March 13, 2025

Oil, gas and food are essential for modern human life. The price fluctuation of these things will significantly affect the economy world. This essay discusses changes energy, bulk food, hedging financial assets against backdrop global uncertainty, influenced by geopolitical conflicts such as Russia-Ukraine war Saudi oil renewal crisis, well factors like COVID-19 pandemic climate change. prices energy sources highly volatile from influences. commodities fluctuate around a baseline level, with specific trends varying type food. Hedging gold Bitcoin have seen gradual increases in some volatility. Companies develop their strategies based on derivatives, holding different quantities risk adjusting asset holdings expectations derivatives.

Language: Английский

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Dynamic spillovers of various uncertainties to Russian financial stress: Evidence from quantile dependency and frequency connectedness approaches

Russian Journal of Economics, Journal Year: 2024, Volume and Issue: 10(3), P. 246 - 273

Published: Oct. 2, 2024

Being geopolitically exposed, the Russian financial sector is vulnerable to various ­uncertainties. The aim of article examine quantile movements and dynamic connectedness uncertainty indices with stress index Russia employing cross-quantilogram (CQ), recursive (R-CQ) TVP‑VAR using monthly data from July 2011 August 2023. It found that for Tweeter-based Economic Uncertainty (TEU) Global Policy (GEPU), there strong positive dependence on Financial Stress Index (RFSI) in bearish states market initial memory, strength this spillover effect gradually wilts towards longer memory structures. Unlike GEPU, (REPU) has long-lasting heterogeneous effects RFSI. Though are significant positive, as well negative, ­effects Geopolitical Risk (GGPR) RFSI across longer­ structures these entire wash out. However, (RGPR) have RFSI, unlike GGPR. GGPR RGPR were net transmitters while TEU REPU receivers volatility shocks. Since shows resilience over long-term horizon global geopolitics economic uncertainty, investors advised keep patience hold their capital/investment up a minimum 1 year system order be rewarded returns.

Language: Английский

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Impact of Oil Price Shocks on Crypto and Conventional Financial Assets during Financial Crises: Evidence from the Russian Financial Market

International Journal of Energy Economics and Policy, Journal Year: 2024, Volume and Issue: 14(4), P. 472 - 483

Published: July 5, 2024

This study offers a multidimensional solution to mitigate the risk raised due oil price volatility for navigating investments within Russian financial landscape. assesses spillover effects between crypto assets and traditional encompassing equities, bonds, precious metals, foreign currency reserves, crude prices. It adopts significant temporal perspective assess potential ramifications of various crises, including global health crises regional conflicts, on Utilizing daily frequency dataset spanning from January 1, 2018, December 30, 2023, this investigates contagion across normal, bullish, bearish market conditions. introduces shocks first time effectively gauge impact exogenous both conventional asset classes. Additionally, employs Cross Quantilogram (CQ) TVP-VAR estimation techniques examine interconnectedness among underlined assets. Furthermore, utilizes quantile wavelet coherence model unveil patterns, laying groundwork hypotheses related diversification, hedging, safe-haven investment strategies The findings underscore effectiveness in diversifying serving as hedge, particularly evident during leading heightened volatility. Conversely, government-owned bonds exhibit lowest resilience external shocks. Moreover, dynamic provides guidance investors implementing proposed that underscores importance prudent allocation policies management, optimizing portfolio utilization.

Language: Английский

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Impact of oil and gold prices on Bitcoin price during Russia-Ukraine and Israel-Gaza wars

Resources Policy, Journal Year: 2024, Volume and Issue: 99, P. 105405 - 105405

Published: Nov. 15, 2024

Language: Английский

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