Results 141 to 150 of about 13,381,982 (241)

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

open access: yesJournal 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

“Why?”: C. Wright Mills on the Spirit of the Classical Sociological Tradition and Positivist Versus Critical Sociology

open access: yesSociology Lens, EarlyView.
ABSTRACT Despite their very diverse interests, the classical sociological thinkers were concerned with analyzing the dramatic social transformations in the wake of colonialism, slavery, and modern industrial capitalism as well as the multiple revolutions, particularly in relation to the new forms of social inequalities and power disparities.
Zaheer Baber
wiley   +1 more source

Historical Perspectives on Deglobalization's Drivers, Outcomes, and Managerial Responses

open access: yesJournal of Management Studies, EarlyView.
Abstract The deglobalization process experienced in the early 2020s is not without precedent. This Special Issue leverages business history as a lens to generate new insights and to uncover previously hidden complexities and nuances. Studying previous periods of deglobalization and their varying drivers, outcomes, and responses, the papers in this ...
Andrew Smith   +3 more
wiley   +1 more source

Welfare consequences of the compound risks of index insurance

open access: yesJournal of Risk and Insurance, EarlyView.
Abstract Index insurance is an attractive variant on the standard insurance contract that allows the determination of a loss event to be defined by one or more thresholds on an index that is positively correlated with actual losses. Index insurance also comes with a compound risk, basis risk.
Glenn Harrison   +4 more
wiley   +1 more source

Driven by risk: Understanding reference‐dependent preferences using simulated auto racing

open access: yesJournal of Risk and Insurance, EarlyView.
Abstract Using data from over 56,000 simulated auto races worldwide, we analyze risk‐taking at the margins, consistent with reference‐dependent preferences. We show that participants' risk‐taking changes when a desired intermittent outcome is presented, sometimes at the expense of a more favorable expected end state.
James Hilliard   +2 more
wiley   +1 more source

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