Results 231 to 240 of about 463,352 (288)

The Evolution of Portfolio Theory Under Risk & Uncertainty: From Mean–Variance to AI‐Augmented Investing

Journal of Economic Surveys, EarlyView.
ABSTRACT This article summarizes the evolution of portfolio theory from mean–variance optimization to AI‐augmented investment systems. Rather than treating portfolio models as isolated techniques, it organizes the literature as a sequence of responses to different forms of uncertainty: variance, systematic risk, expected‐return estimation error ...
Xuan Feng, Sofia Yang
wiley   +1 more source

Negotiating queer identity and cultural meaning through translation in China. [PDF]

Front Psychol
Chai G, Jia X, Tian X, Zhang Z, Zhen H.
europepmc   +1 more source

The Evolution of Interest‐Rate Models: From the Yield Curve to the Swaption Cube

Journal of Economic Surveys, EarlyView.
ABSTRACT Interest‐rate modelling is often taught as a catalogue of competing stochastic equations, obscuring why models were created and why modern sell‐side desks use several simultaneously. This survey reorganises the field around five layers of a pricing architecture: curve construction; arbitrage‐free dynamics; volatility‐smile representation ...
Xuan Feng, Salman Huseynov, Diomides Mavroyiannis   +2 more
wiley   +1 more source

Evolutionary bet-hedging at the nanoscale

Kryuchkov M, Jobin M, Savitsky V, Smirnov S, Katanaev VL.   +4 more
europepmc   +1 more source

Z-number based fuzzy MCDM models for analyzing non-traditional security threats to finance supply chains: A case study from Vietnam. [PDF]

Heliyon
Nguyen PH, Nguyen LT, Pham TV, Nguyen KA, Nguyen MN, Nguyen LT, Nguyen LT.   +6 more
europepmc   +1 more source

Longevity, Health, and Housing Risk Management in Retirement

The Journal of Finance, EarlyView.
ABSTRACT Annuities, long‐term care insurance, and reverse mortgages remain puzzlingly unpopular to manage post‐retirement longevity, health, and housing price risks. We use a flexible life‐cycle model structurally estimated with a unique stated‐preference survey experiment of Canadian households to understand why. Key factors include high risk aversion,
PIERRE‐CARL MICHAUD, PASCAL ST‐AMOUR
wiley   +1 more source

LLMs are ideological chameleons: personalized echo chambers in the Brazilian political context. [PDF]

Sci Rep
Soares ALB, Almeida BAV, Ferreira LN, Rocha A, Interian R, Dias Z.   +5 more
europepmc   +1 more source

Fisher Information Limits on Genetic Stability, Diversity, and Regulation. [PDF]

Bull Math Biol
Glasenapp JS, Gatenby RA.
europepmc   +1 more source

Seasonal vertical migration of large polar copepods reinterpreted as a dispersal mechanism throughout the water column. [PDF]

Commun Earth Environ
Schmidt K, Niehoff B, Cornils A, Hagen W, Flores H, Heuzé C, Welteke N, Knϋppel N, Dorschner S, Woll M, Jones K, Laudone G, Campbell RG, Ashjian CJ, Gelfman CE, Shoemaker KM, Jenkins R, Kvile KØ, Lebreton B, Guillou G, Hoppe CJM, Sakinan S, Schaafsma FL, Hildebrandt N, Castellani G, Belt ST, Fong AA, Atkinson A, Graeve M.   +28 more
europepmc   +1 more source

Betting on Volatility: A Delta Hedging Approach

, 2011
openaire   +1 more source