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Market Manipulation and Corporate Risk‐Taking

Yangfa Chen et al.

Financial Management2026https://doi.org/10.1111/fima.70029article
AJG 3ABDC A*
Weight
0.50

Abstract

We investigate the impact of market manipulation on corporate risk‐taking. We identify suspicious market manipulation in China's stock market using a detection model for closing price manipulation and adopt the closing auction mechanism reform, launched by the Shanghai Stock Exchange in 2018, as an exogenous policy shock that curbs manipulation. We find that market manipulation significantly reduces corporate risk‐taking. A 1‐standard‐deviation increase in manipulation frequency leads to a decline in the standard deviation of return on assets (ROA) and return on sales (ROS) by 26.2% and 24.4% of their respective sample means. Mechanism tests show that market manipulation deteriorates market quality (reducing liquidity and price informativeness and increasing mispricing), and further decreases corporate risk‐taking through two channels: impeding managerial price‐learning and raising the cost of capital. Our study reveals the detrimental effects of market manipulation on the real economy and its mechanisms, and provides new evidence for the feedback effect.

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https://doi.org/https://doi.org/10.1111/fima.70029

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@article{yangfa2026,
  title        = {{Market Manipulation and Corporate Risk‐Taking}},
  author       = {Yangfa Chen et al.},
  journal      = {Financial Management},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.1111/fima.70029},
}

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Market Manipulation and Corporate Risk‐Taking

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Evidence weight

0.50

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

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