Results 141 to 150 of about 499,937 (337)

A white noise approach to insider trading

open access: yes, 2015
We present a new approach to the optimal portfolio problem for an insider with logarithmic utility. Our method is based on white noise theory, stochastic forward integrals, Hida-Malliavin calculus and the Donsker delta function.Comment: arXiv admin note:
Røse, Elin, Øksendal, Bernt
core  

Nature at Risk, Finance at Stake: A Systematic Literature Review of Biodiversity Risk in Finance Research

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Biodiversity‐related financial risk is increasingly recognized not only as a market concern but as an ethical and systemic imperative for businesses and financial institutions. This systematic literature review synthesizes 103 peer‐reviewed studies to examine how biodiversity risk is conceptualized, measured, and integrated within financial ...
Thang Ngoc Dang   +3 more
wiley   +1 more source

Precautionary saving and portfolio allocation: DP by GMM [PDF]

open access: yes
There is much research on consumption-savings problems with risky labor income and a constant interest rate and also on portfolio allocation with risky returns but nonstochastic labor income. Less is known quantitatively about the interaction between the
Gregor Smith, Marc-Andre Letendre
core  

Recombining Knowledge for Climate Innovation: Evidence From US Energy Incumbents

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT As the climate crisis intensifies, energy incumbents must strategically transform their fossil‐fueled legacies to remain competitive and sustainable. Yet, little is known about how internal knowledge architectures and external industry positions jointly shape their capacity for climate innovation.
Kyung‐Baek Min   +2 more
wiley   +1 more source

Comonotonic approximations for optimal portfolio selection problems. [PDF]

open access: yes
We investigate multiperiod portfolio selection problems in a Black & Scholes type market where a basket of 1 riskless and m risky securities are traded continuously.
Dhaene, Jan   +4 more
core  

Leading With Contrast: How CEO Narcissism and Humility Shape Environmental Performance

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Firms face growing pressure to improve environmental performance, yet the psychological traits of CEOs remain an underexplored driver of sustainability outcomes. Building on paradox theory, this study investigates how the coexistence of humility and narcissism in CEOs shapes the environmental performance of European manufacturing firms.
Diletta Vianello   +2 more
wiley   +1 more source

New trading risk indexes: application of the shapley value in finance [PDF]

open access: yes
The aim of this paper is to offer new risk indicators that enable one to classify securities of a portfolio according to their risk degrees. These indexes are issued from a new method of the covariance decomposition based on the Shapley Value.
stephane mussard, virginie terraza
core  

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