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约束的Ross更加风险厌恶刻画下的预防性努力投资决策

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约束的Ross更加风险厌恶刻画下的预防性努力投资决策 田有功1, 马润平21. 兰州财经大学甘肃金融协同创新中心, 信息工程学院, 兰州 730020;
2. 兰州财经大学金融学院, 兰州 730020 Investment Decision-Making on Precautionary Effort under Characterization of Restricted Ross More Risk Aversion TIAN Yougong1, MA Runping21. Gansu Financial Collaborative Innovation Center, School of Information and Engineering, Lanzhou University of Finance and Economics, Lanzhou 730020, China;
2. School of Finance, Lanzhou University of Finance and Economics, Lanzhou 730020, China
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摘要在对个体风险偏好的现有刻画下,一个更加风险厌恶的个体未必会投资更多的预防性努力活动.为了解决这种不一致性,本文基于二次函数约束的Ross更加风险厌恶的刻画,获得了与个体风险偏好相一致的比较静态结果:当额外的预防性努力活动降低了个体最终财富的均值且损失发生的初始概率小于1/2时,一个二次函数约束的Ross更加风险厌恶的个体总是投资更多的预防性努力活动.
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收稿日期: 2018-04-11
PACS:F224.9
O211.9
基金资助:兰州财经大学丝绸之路经济研究院(JYYY201710)资助项目.

引用本文:
田有功, 马润平. 约束的Ross更加风险厌恶刻画下的预防性努力投资决策[J]. 应用数学学报, 2018, 41(5): 689-697. TIAN Yougong, MA Runping. Investment Decision-Making on Precautionary Effort under Characterization of Restricted Ross More Risk Aversion. Acta Mathematicae Applicatae Sinica, 2018, 41(5): 689-697.
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