Results 41 to 50 of about 2,761,486 (133)
, 2021 Karen Klivans Sortino passed away September 17 after a battle with cancer. For over 50 years, she volunteered at the International Center at Stanford University, teaching conversational English and American culture to students from around the ...
Palo Alto Weekly
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A Quantile Model of Firm Investment
International Economic Review, EarlyView.ABSTRACT Are firms risk averse? We propose a dynamic model of firm investment under uncertainty that captures firms' risk attitudes through quantile preferences. The firm maximizes its present value, defined as current profits and investment plus the discounted value of the τ$\tau$‐quantile of its value next period.
Heitor Almeida +3 more
wiley +1 more source
Cross-Sectional Reliability of Portfolio Selection Metrics in a Multi-Asset Universe
RisksThis paper investigates the cross-sectional reliability and persistence of commonly used portfolio performance indicators when employed as portfolio selection metrics over a broad multi-asset investment universe.
Attila Bányai +3 more
doaj +1 more source
Covariance Prediction in Large Portfolio Allocation
Econometrics, 2019 Many financial decisions, such as portfolio allocation, risk management, option pricing and hedge strategies, are based on forecasts of the conditional variances, covariances and correlations of financial returns.
Carlos Trucíos +3 more
doaj +1 more source
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
Revista de Métodos Cuantitativos para la Economía y la Empresa, 2018 In a passive investing strategy through indexation, the portfolio performance will depend largely on the ability to choose the best index. In this paper, we study the performance of four of the main stock indices in Mexico with the intention of selecting
Samaniego, Ángel +1 more
doaj
Economica, Volume 93, Issue 371, Page 839-862, July 2026.Abstract The foundational nature of expectations‐based theories and the prominence of symmetric unimodal stochastic assumptions in economic research render the expected outcome the go to locational focus throughout its many realms. When symmetric unimodality prevails, expected and most likely outcomes are identical; however, when it does not, they are ...
Gordon Anderson
wiley +1 more source
Studies in Business and EconomicsAmidst the rapid growth of cryptocurrency adoption, differentiating between fundamental utility and speculative hype is critical for retail investor protection.
Laksana Reksha +2 more
doaj +1 more source
Performance of Brownian-motion Process Generated Universal Portfolio in Times of COVID-19 Pandemic [PDF]
ITM Web of ConferencesThe universal portfolio is a portfolio investment strategy which theoretically achieves good return. Brownian motion is a stochastic process which is heavily applied in various financial derivative pricing.
Pang Sook Theng +2 more
doaj +1 more source
Entrepreneurship and Sustainability Issues, 2020 This paper extends the stochastic mean-semivariance model to a fuzzy multiobjective model, where apart from return and risk, also liquidity is considered to measure the performance of a portfolio.
Fernando García +3 more
doaj +1 more source