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Varieties of volatility

open access: yesFinance and Society, 2023
This article explores the quantitative and qualitative dimensions of volatility and their implications for cultural analysis in a range of fields. From quantitative finance, it takes the notion of ‘delta-hedging’, the suspension or neutralization of ...
Benjamin Lee
doaj   +1 more source

Interest rate volatility and financing of Islamic banks

open access: yesPLOS ONE, 2022
Despite a direct ban on charging interest, interest-based benchmarks are used as a pricing reference by a majority of Islamic banks, due in part to the absence of stable and widely- published alternatives. Benchmarking interest rate exposes Islamic banks to the problems of conventional banks, particularly the interest rate risk.
Muhammad Nouman   +5 more
openaire   +3 more sources

How does long-term finance affect economic volatility? [PDF]

open access: yesJournal of Financial Stability, 2016
In an approach analogous to Rajan and Zingales (1998), we examine how the ability to access long-term debt affects firm-level growth volatility. We find that firms in industries with stronger preference to use long-term finance relative to short-term finance experience lower growth volatility in countries with better-developed financial systems, as ...
Demirgüç-Kunt, Asli   +2 more
openaire   +7 more sources

Behavioral Finance - Asset Prices Predictability, Equity Premium Puzzle, Volatility Puzzle: The Rational Finance Approach [PDF]

open access: yesSSRN Electronic Journal, 2020
In this paper we address three main objections of behavioral finance to the theory of rational finance, considered as anomalies the theory of rational finance cannot explain: Predictability of asset returns, The Equity Premium, (The Volatility Puzzle. We offer resolutions of those objections within the rational finance.
Rachev, Svetlozar   +4 more
openaire   +2 more sources

Realized Stock-Market Volatility of the United States and the Presidential Approval Rating

open access: yesMathematics, 2023
Studying the question of whether macroeconomic predictors play a role in forecasting stock-market volatility has a long and significant tradition in the empirical finance literature.
Rangan Gupta   +3 more
doaj   +1 more source

Influence of Real Exchange Rate on the Finance-Growth Nexus in the West African Region

open access: yesEconomies, 2019
This study examines the moderating effects of the real exchange rate and its volatility on the finance-growth nexus in the West African region. It also determines the marginal effects of financial development on economic growth at various levels of the ...
Kizito Uyi Ehigiamusoe, Hooi Hooi Lean
doaj   +1 more source

The Application of Symbolic Regression on Identifying Implied Volatility Surface

open access: yesMathematics, 2023
One important parameter in the Black–Scholes option pricing model is the implied volatility. Implied volatility surface (IVS) is an important concept in finance that describes the variation of implied volatility across option strike price and time to ...
Jiayi Luo, Cindy Long Yu
doaj   +1 more source

Impact of Idiosyncratic Volatility on Average Stock Returns: Evidence from Sri Lanka [PDF]

open access: yesColombo Business Journal, 2020
The complete diversification of idiosyncratic volatility is questionable due to factors such as market imperfections, investor irrationality and managerial decisions.
H. A. P. K. Perera
doaj   +1 more source

Entropy Based Student’s t-Process Dynamical Model

open access: yesEntropy, 2021
Volatility, which represents the magnitude of fluctuating asset prices or returns, is used in the problems of finance to design optimal asset allocations and to calculate the price of derivatives.
Ayumu Nono   +2 more
doaj   +1 more source

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