Prudence attitude and limited participation

Prudence attitude and limited participation
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谨慎态度和有限参与

DOI:
10.1016/j.econmod.2021.105534
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发表时间:
2021-08
期刊:
影响因子:
4.7
通讯作者:
Shunming Zhang
Shunming Zhang
中科院分区:
经济学2区
文献类型:
--
作者:
Helen Huang;Yanjie Wang;Shunming Zhang

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本文考察了个体对客观概率的态度如何改变其交易行为。为此,我们采用预期效用(结合Wang变换)来模拟模棱两可背景下市场参与者的福祉。在这种情况下,假设市场上存在不同类型的具有异质信息的谨慎交易者。研究结果表明,交易者可能会限制他们的参与(即使没有模棱两可),而他们的谨慎态度促使他们谨慎地交易风险资产。我们还扩展了我们的基线模型来探索模糊性的作用,并认为模糊性本身包括对个人交易行为的有限边际效应。此外,考虑了两种情况,其中我们分别推导出一个独特的一般均衡:交易者1)具有相同的谨慎水平,2)具有不同的谨慎程度。因此,在均衡中发现了“追逐数量”现象。总体而言,本文提出了一种潜在的方法来描述个人对资产损失和收益的态度,并为理解他们在模糊性下的交易行为提供了一些启示。
This paper examined how the trading behavior of individuals is altered by their attitudes toward objective probabilities. To this end, we adopted anticipated utility (combined with the Wang transform) to model market participants' wellbeing in an ambiguous context. In this case, different types of prudent traders with heterogeneous information were assumed in the market. Findings reveal that traders might limit their participation (even without ambiguity), whereas their prudence attitude drives them to cautiously trade the risky asset. We also extended our baseline model to explore the role of ambiguity and argue that ambiguity itself includes limited marginal effects on individuals' trading behavior. Moreover, two scenarios are considered wherein we respectively derive a unique general equilibrium: where traders 1) share the same prudence level and 2) have distinct prudence degrees. Consequently, the “chase-the-quantity” phenomenon is found in the equilibrium. Overall, this paper proposes a potential method for depicting individuals’ attitudes toward asset losses and gains, and provides some implications for comprehending their trading behavior under ambiguity.
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