Results 61 to 70 of about 1,288 (181)

Fisheries Management With Many Small Firms: A Mean Field Games Approach

open access: yesNatural Resource Modeling, Volume 38, Issue 4, November 2025.
ABSTRACT A challenge associated with fisheries management is when there are many potential participants, and each participant has virtually zero effect (small agents), but their collective action may be significant. Individual quotas or effort restrictions may not be well suited in such cases.
Roman Kozlov, Stein Ivar Steinshamn
wiley   +1 more source

Existence of a non‐stationary equilibrium in search‐and‐matching models: TU and NTU

open access: yesTheoretical Economics, Volume 20, Issue 4, Page 1411-1460, November 2025.
This paper proves the existence of a non‐stationary equilibrium in the canonical search‐and‐matching model with heterogeneous agents. Non‐stationarity entails that the number and characteristics of unmatched agents evolve endogenously over time.
Christopher Sandmann, Nicolas Bonneton
wiley   +1 more source

Fostering collaboration

open access: yesTheoretical Economics, Volume 20, Issue 4, Page 1181-1211, November 2025.
We study project selection and development by a principal, interacting with two agents, each of whom wants his respective project selected. When the best choice is uncertain, keeping both projects alive gives the principal the ability to adapt her choice in the future, but implies an efficiency loss of effort being spent on the project finally not ...
Joyee Deb   +2 more
wiley   +1 more source

Composite Learning-Based Inverse Optimal Fault-Tolerant Control for Hierarchy-Structured Unmanned Helicopters

open access: yesDrones
This article investigates the inverse optimal fault-tolerant formation-containment control problem for a group of unmanned helicopters, where the leaders form a desired formation pattern under the guidance of a virtual leader while the followers move ...
Qingyi Liu   +3 more
doaj   +1 more source

Optimal Expected Utility of Dividend Payments with Proportional Reinsurance under VaR Constraints and Stochastic Interest Rate

open access: yesJournal of Function Spaces, 2020
In this paper, we consider the problem of maximizing the expected discounted utility of dividend payments for an insurance company taking into account the time value of ruin. We assume the preference of the insurer is of the CRRA form.
Yuzhen Wen, Chuancun Yin
doaj   +1 more source

Foundations of the Preisach Operator in Real Options Problems with Subscription Cost and Heterogeneous Population of Consumers

open access: yesAxioms
This paper considers the pricing of a subscription service in a heterogeneous market with consumers having different discount rates. We show that in the case of a non-zero enrollment/cancellation cost, solutions of the Hamilton–Jacobi–Bellman equation ...
Dmitrii Rachinskii   +2 more
doaj   +1 more source

Stochastic-fractional optimal control problems and application in portfolio management [PDF]

open access: yesMathematics and Modeling in Finance
The aim of this paper is to propose a new method for solving a calss of stochasticfractional optimal control problems. To this end, we introduce an equivalent form for the presented stochastic-fractional optimal control problem and prove that these ...
Saba Yaghobipour, Majid Yarahmadi
doaj   +1 more source

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