Results 51 to 60 of about 243,052 (302)
ABSTRACT This study examines how environmental regulations can drive technological change, drawing on the innovation systems perspective and the strong Porter hypothesis (SPH). The SPH suggests that well‐designed stringent regulations can foster innovation and enhance firm competitiveness, performance, and survival, yet prior research remains largely ...
Muhammad Zubair Khan +3 more
wiley +1 more source
Martingales and arbitrage: a new look [PDF]
This paper addresses the equivalence between the absence of arbitrage and the existence of equivalent martingale measures. The equivalence will be established under quite weak assumptions since there are no conditions on the set of trading dates (it may ...
Balbás, Alejandro
core +1 more source
Do Commodity Prices and Energy Markets Drive Asymmetric Volatility in Biodiversity Finance?
ABSTRACT This study examines symmetric and asymmetric volatility spillovers among biodiversity finance, commodity prices, and energy markets using daily data from 2019 to 2025. We apply the Diebold–Yilmaz time–domain connectedness model, Baruník–Křehlík frequency–domain decomposition, and an asymmetric spillover framework.
Ijaz Younis +4 more
wiley +1 more source
Scope of the arbitrage pricing theory [PDF]
An important element of the positive portfolio theory which in addition to the Capital Asset Pricing Model (CAPM) provides an important contribution in terms of understanding the relationship between return and risk and pricing of assets in the capital ...
Leković Miljan
doaj
Firm‐Level Climate Risk and Stock Price Crash: Does Investor Attention or Sentiment Matter?
ABSTRACT This study moves beyond traditional crash‐risk channels focused on managerial bad‐news hoarding to examine how firm‐level climate risk translates into stock price crashes through investor behaviour. Using a novel text‐based measure of climate exposure extracted from earnings call transcripts, we capture firm‐specific regulatory, physical and ...
Hoa Phan +4 more
wiley +1 more source
ABSTRACT This study examines whether ESG‐related profitability differences arise from observable firm characteristics or from structural differences in how firms convert those characteristics into performance outcomes. Using an unbalanced panel data design, the final sample comprises 727 firm‐year observations from 178 publicly listed non‐financial ...
Yara Ibrahim +2 more
wiley +1 more source
This study synthesizes urban hybrid energy system deployments in Southern Africa, revealing dominant PV–battery configurations, strong cost and emissions benefits, and persistent research concentration in South Africa, highlighting opportunities to scale resilient, low‐carbon urban energy solutions across the region.
Kehinde A. Adeyeye, Charles Mbohwa
wiley +1 more source
Photovoltaic solar power production can be stabilized using hydrogen energy storage. Gaseous hydrogen is produced, compressed, stored, and consumed in fuel cells to provide a constant power output. ABSTRACT Seasonal energy storage as compressed hydrogen offers a potential solution to balance the power grid as intermittent renewable energy sources are ...
Jure Voglar, Blaž Likozar
wiley +1 more source
Asian Option Pricing with Transaction Costs and Dividends under the Fractional Brownian Motion Model
The pricing problem of geometric average Asian option under fractional Brownian motion is studied in this paper. The partial differential equation satisfied by the option’s value is presented on the basis of no-arbitrage principle and fractional formula.
Yan Zhang +3 more
doaj +1 more source
A Note on the Fundamental Theorem of Asset Pricing under Model Uncertainty
We show that the recent results on the Fundamental Theorem of Asset Pricing and the super-hedging theorem in the context of model uncertainty can be extended to the case in which the options available for static hedging (hedging options) are quoted with ...
Erhan Bayraktar +2 more
doaj +1 more source

