Equilibrium concepts for time‐inconsistent stopping problems in continuous time

Equilibrium concepts for time‐inconsistent stopping problems in continuous time
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连续时间内时间不一致停止问题的平衡概念

DOI:
10.1111/mafi.12293
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发表时间:
2019
影响因子:
1.6
通讯作者:
Zhou Zhou
Zhou Zhou
中科院分区:
经济学2区
文献类型:
--
作者:
Erhan Bayraktar;Jingjie Zhang;Zhou Zhou

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对于连续时间不一致的停止问题,引入了一个新的平衡概念,我们称之为强平衡。与Huang, y - J。,阮虎,A.(2018,01)。时间一致的停止,减少不耐烦。金融与随机,22(1),69-95和Christensen, S., Lindensjö, K.(2018)。求解时间不一致马尔可夫问题的平衡停止时间。控制与优化学报,56(6),4228-4255,本文将其分别称为轻度均衡和弱均衡,其中强均衡更准确地捕捉了子博弈完美纳什均衡的思想。当状态过程为连续时间马尔可夫链,且折现函数为log次可加性时,我们证明了最优温和均衡总是强均衡。此外,我们还提供了一种新的迭代方法,可以直接构造最优温和均衡,从而证明了它的存在性。
A new notion of equilibrium, which we call strong equilibrium, is introduced for time‐inconsistent stopping problems in continuous time. Compared to the existing notions introduced in Huang, Y.‐J., & Nguyen‐Huu, A. (2018, Jan 01). Time‐consistent stopping under decreasing impatience. Finance and Stochastics, 22(1), 69–95 and Christensen, S., & Lindensjö, K. (2018). On finding equilibrium stopping times for time‐inconsistent markovian problems. SIAM Journal on Control and Optimization, 56(6), 4228–4255, which in this paper are called mild equilibrium and weak equilibrium, respectively, a strong equilibrium captures the idea of subgame perfect Nash equilibrium more accurately. When the state process is a continuous‐time Markov chain and the discount function is log subadditive, we show that an optimal mild equilibrium is always a strong equilibrium. Moreover, we provide a new iteration method that can directly construct an optimal mild equilibrium and thus also prove its existence.
时间的最优平衡——连续时间内的不一致停止问题
DOI: 10.1111/mafi.12229
发表时间: 2019
影响因子: 1.6
作者:
Huang, Yu‐Jui;Zhou, Zhou
通讯作者: Zhou, Zhou
DOI: 10.1111/mafi.12224
发表时间: 2017-09
影响因子: 1.6
作者:
Yu‐Jui Huang;A. Nguyen-Huu;X. Zhou
通讯作者: Yu‐Jui Huang;A. Nguyen-Huu;X. Zhou
DOI: 10.1287/moor.2020.1066
发表时间: 2021
影响因子: 1.7
作者:
Huang, Yu-Jui;Zhou, Zhou
通讯作者: Zhou, Zhou