Results 121 to 130 of about 237,321 (276)

Stochastic volatility, smile & asymptotics

open access: yes
We consider the pricing and hedging problem for options on stocks whose volatility is a random process. Traditional approaches, such as that of Hull and White, have been successful in accounting for the much observed smile curve, and the success of a ...
K. Ronnie Sircar, George Papanicolaou
core   +1 more source

Genomic variation drives plant flavor diversification

open access: yesJournal of Integrative Plant Biology, EarlyView.
This review explains how genomic variation shapes plant flavor by altering the biosynthetic and regulatory pathways of key attributes like sweetness, acidity, bitterness, piquancy, astringency, and aroma. It also discusses how multi‐omics, AI‐assisted breeding, and gene editing can translate this knowledge into plants with improved flavor, nutrition ...
Huimin Hu   +5 more
wiley   +1 more source

Option Pricing with Normal Mixture Returns: Modelling Excess Kurtosis and Uncertanity in Volatility [PDF]

open access: yes
his paper addresses the problem of uncertainty in volatility, and how this affects option prices. The volatility uncertainty adjustment to Black-Scholes option prices is quantified in this paper using a normal mixture model for the distribution of ...
Carol Alexander, Sujit Narayanan
core  

FX Interventions and Capital‐Constrained Banks: Evidence from USD/ILS Spot, Forward, and Option Markets

open access: yesJournal of Money, Credit and Banking, EarlyView.
Abstract Using confidential daily data, we examine the Bank of Israel's foreign exchange interventions from 2013 to 2019. We find that a 1 billion U.S. dollars (USD) purchase leads to a 0.82% depreciation of the Israeli Shekel (ILS)–a strong effect compared to other studies.
MARKUS HERTRICH, DANIEL NATHAN
wiley   +1 more source

The Capital–Labour–State Dynamics of Herbicide Adoption in Rainfed India

open access: yesJournal of Agrarian Change, EarlyView.
ABSTRACT This paper engages debates around the capital–labour–state dynamics of agrarian transitions to address the oft‐studied but still little‐understood question of why farmers adopt herbicides when they do. Over the last several years, smallholder farmers in India have begun using the herbicide bispyribac sodium at breakneck speeds, particularly in
Carly Nichols, Nidhi Kumari
wiley   +1 more source

Government size and output volatility: is there a relationship? [PDF]

open access: yes
This paper provides some further tests for the proposition that a larger public sector leads to smaller output volatility. Both Gali and Fatas & Mihov have provided some evidence which appears to support this proposition.
Matti Virén
core   +2 more sources

Implied value-at-risk and model-free simulation. [PDF]

open access: yesAnn Oper Res, 2022
Bernard C, Perchiazzo A, Vanduffel S.
europepmc   +1 more source

Bayesian Analysis of the Box-Cox Transformation in Stochastic Volatility Models [PDF]

open access: yes
In the paper, we consider the Box-Cox transformation of financial time series in Stochastic Volatility models. Bayesian approach is applied to make inference about the Box-Cox transformation parameter (l).
Anna Pajor
core  

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