The Causal Effect of Limits to Arbitrage on Asset Pricing Anomalies
套利限制对资产定价异象的因果影响AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要使用放松卖空约束的自然实验研究资产定价异象,直接涉及定价与因果识别。
套利限制对资产定价异象的因果影响AI 解读 ↓
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ABSTRACT We examine the causal effect of limits to arbitrage on 11 well‐known asset pricing anomalies using the pilot program of Regulation SHO, which relaxed short‐sale constraints for a quasi‐random set of pilot stocks, as a natural experiment. We find that the anomalies became weaker on portfolios constructed with pilot stocks during the pilot period. The pilot program reduced the combined anomaly long–short portfolio returns by 72 basis points per month, a difference that survives risk adjustment with standard factor models. The effect comes only from the short legs of the anomaly portfolios.