Abstract
The adjustment of price limits represents a crucial attempt in the gradual opening of China’s capital market, and the effectiveness of the price limit system has long been a contentious focus among scholars worldwide. Leveraging the quasi-natural experiment of the 2020 price limits reform in China’s Growth Enterprise Market (GEM), this paper employs the differences in difference method to assess the impact of adjusted price limits on stock price volatility and conducts mechanism tests to explore influencing factors. The research findings indicate that the adjustment of price limits significantly increases stock price volatility, with its effectiveness being influenced by stock liquidity, investor speculative desires, and stock trading volume.
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