Richard Roll

• [2005 JFE] 市场要多久才「想明白」？——给效率装上一只秒表Evidence on the Speed of Convergence to Market EfficiencyJun 2026
• [2002 JFE] 一百万股成交，到底是买，还是卖？——订单失衡里的市场密码Order Imbalance, Liquidity, and Market ReturnsJun 2026