交易成本比例下指数负效用的最优投资与或有债权估值

IF 0.5 Q4 BUSINESS, FINANCE
ALET ROUX, ZHIKANG XU
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引用次数: 0

摘要

在交易成本成比例的离散时间模型中,在指数负效用条件下,考虑由支付流组成的或有债权的无差异定价。这个设置将终端财富的效用最大化作为一个特例。得到了相关负效用最小化问题的对偶表示,并给出了求解该问题的动态过程。这导致无差异定价、最优交易策略和影子价格的有效和收敛的数值程序,适用于大范围的收益、大范围的时间步长和所有量级的交易成本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
OPTIMAL INVESTMENT AND CONTINGENT CLAIM VALUATION WITH EXPONENTIAL DISUTILITY UNDER PROPORTIONAL TRANSACTION COSTS

We consider indifference pricing of contingent claims consisting of payment flows in a discrete-time model with proportional transaction costs and under exponential disutility. This setting covers utility maximization of terminal wealth as a special case. A dual representation is obtained for the associated disutility minimization problem, together with a dynamic procedure for solving it. This leads to efficient and convergent numerical procedures for indifference pricing, optimal trading strategies and shadow prices that apply to a wide range of payoffs, a large range of time steps and all magnitudes of transaction costs.

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来源期刊
CiteScore
1.10
自引率
20.00%
发文量
28
期刊介绍: The shift of the financial market towards the general use of advanced mathematical methods has led to the introduction of state-of-the-art quantitative tools into the world of finance. The International Journal of Theoretical and Applied Finance (IJTAF) brings together international experts involved in the mathematical modelling of financial instruments as well as the application of these models to global financial markets. The development of complex financial products has led to new challenges to the regulatory bodies. Financial instruments that have been designed to serve the needs of the mature capitals market need to be adapted for application in the emerging markets.
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