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arXiv 2008.00908q-fin.MFq-fin.TR
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具有二次交易成本的TWAP交易均衡

Equilibrium under TWAP trading with quadratic transaction costs

Eunjung Noh

摘要:

研究了交易成本对均衡收益率和均衡状态下最优股票持有量的影响。为此,我们开发了一个连续时间的风险分担模型,异质代理人对终端目标持有的交易受到二次交易成本。在有交易成本的情形下,均衡股票持有量和交易率可由一个正向-倒向随机微分方程的唯一解来刻画。平衡回报率也被表征为耦合但线性FBSDES系统的唯一解。

英文摘要:

We study how transaction cost affects to the equilibrium return and optimal stock holdings in equilibrium. To this end, we develop a continuous-time risk-sharing model where heterogenous agents trade toward terminal target holdings subject to a quadratic transaction cost. The equilibrium stock holdings and trading rate under transaction cost are characterized by a unique solution to a forward-backward stochastic differential equation (FBSDE). The equilibrium return is also characterized as the unique solution of a system of coupled but linear FBSDEs.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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