Results 41 to 50 of about 255,661 (340)

Can we use volatility to diagnose financial bubbles? lessons from 40 historical bubbles

open access: yesQuantitative Finance and Economics, 2018
We inspect the price volatility before, during, and after financial asset bubbles in orderto uncover possible commonalities and check empirically whether volatility might be used as anindicator or an early warning signal of an unsustainable price ...
Didier Sornette   +2 more
doaj   +1 more source

Macroeconomic Volatility and its Significance to the Rising External Indebtedness of Nigeria

open access: yesMaliye Çalışmaları Dergisi, 2021
The motivation of this study has been to identify the effects of the multidimensional perspectives of macroeconomic volatility on the growth of external debt in Nigeria from 1970 to 2018. Methodologically, the Auto-Regressive Distributed Lag (ARDL) model
Samson Adeniyi Aladejare
doaj   +1 more source

Recent Advancements in Bulk Processing of Rare‐Earth‐Free Hard Magnetic Materials and Related Multiscale Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
This article provides an overview of recent advancements in bulk processing of rare‐earth‐free hard magnetic materials. It also addresses related simulation approaches at different scales. The research on rare‐earth‐free magnetic materials has increased significantly in recent years, driven by supply chain issues, environmental and social concerns, and
Daniel Scheiber, Andrea Bachmaier
wiley   +1 more source

Investor sentiment, market volatility, and ESG Index dynamics: an empirical analysis

open access: yesCogent Economics & Finance
This study integrates both traditional finance theory and behavioral finance to explore the impact of investor sentiment and market volatility on Environmental, Social and Governance (ESG) thematic indices in the Indian market. Using the India Volatility
Pushpa Negi   +3 more
doaj   +1 more source

The predictive power of Bitcoin prices for the realized volatility of US stock sector returns

open access: yesFinancial Innovation, 2023
This paper is motivated by Bitcoin’s rapid ascension into mainstream finance and recent evidence of a strong relationship between Bitcoin and US stock markets.
Elie Bouri   +2 more
doaj   +1 more source

Photoswitchable Conductive Metal–Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
A conductive material where the conductivity can be modulated remotely by irradiation with light is presented. It is based on films of conductive metal–organic framework type Cu3(HHTP)2 with embedded photochromic molecules such as azobenzene, diarylethene, spiropyran, and hexaarylbiimidazole in the pores.
Yidong Liu   +5 more
wiley   +1 more source

What causes the return and volatility spillover in Chinese green finance markets? A time-frequency perspective

open access: yesJournal of Business Economics and Management
This paper analyzes both return and volatility spillovers between green bonds, green stocks, clean energy, and carbon markets from April 28, 2014, to May 31, 2024, using the time-frequency connectedness methodology.
Rongyan Liu   +3 more
doaj   +1 more source

Forward implied volatility expansion in time-dependent local volatility models******

open access: yesESAIM: Proceedings and Surveys, 2014
We introduce an analytical approximation to efficiently price forward start options on equity in time-dependent local volatility models as the forward start date, the maturity or the volatility coefficient are small.
Bompis Romain, Hok Julien
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Machine Learning to Compute Implied Volatility from European/American Options Considering Dividend Yield

open access: yesProceedings, 2020
Computing implied volatility from observed option prices is a frequent and challenging task in finance, even more in the presence of dividends. In this work, we employ a data-driven machine learning approach to determine the Black–Scholes implied ...
Shuaiqiang Liu   +3 more
doaj   +1 more source

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