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Added time varying tax paper.

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Chen Yang
2025-04-22 07:19:41 +08:00
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@@ -94,6 +94,14 @@ Portfolio Selection; Market Frictions; FinTech; Market Microstructure; Stochasti
<p>
<h3>Selected Publications</h3>
<ul style="list-style-type:square">
<li>Portfolio Selection with Time-Varying Taxation (with Xianhao Zhu).<br>
Working Paper. [<a href="" onclick="toggleAbstract('abs_TaxTimeVarying');return false">Abstract</a>]<br>
<div style="display:none" id="abs_TaxTimeVarying">
<hr>
<i>The capital gains tax rate has fluctuated significantly over time, leading to substantial changes in investors' optimal strategies, as documented by the empirical studies. This paper proposes a novel continuous-time portfolio selection framework with a time-varying capital gains tax rate. Featuring differential tax rate announcement time and implementation time, our framework is able to capture the investors' anticipation over a potential future tax rate change before its announcement, as well as their reaction to an announced tax change yet to be implemented. The optimal investment strategy embodies the interaction between the time-varying tax rate and the lock-in and diversification effects proposed in the existing literature. Furthermore, our findings provide theoretical support for the permanent and transitory effects of tax rate changes documented in the empirical studies. The strength of the transitory effect depends on the size of the tax rate change, and the tax rate uncertainty mostly affects the transitory effect and has a negligible impact on the permanent effect. Moreover, the permanent effect vanishes under a zero interest rate while the transitory effect persists. </i>
</div>
</li><br>
<li>Optimal Tax-Timing with Transaction Costs (with <a href="https://sites.google.com/view/mindai/home" target="_blank">Min Dai</a>, Yaoting Lei, and <a href="http://apps.olin.wustl.edu/faculty/liuh/" target="blank">Hong Liu</a>).<br>
<b>submitted</b>. [<a href="" onclick="toggleAbstract('abs_TaxTC');return false">Abstract</a>|<a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4952040" target="_blank">SSRN</a>]<br>
<div style="display:none" id="abs_TaxTC">