Owen A Lamont

• [2002 JFE] 想做空，得先借到那张股票——一份 1926 年的借券账本，照出了「贵」的代价Short-sale Constraints and Stock ReturnsJun 2026
• [2002 JFE] 多元化到底毁不毁价值？——用「行业冲击」把内生性逼到墙角Does Diversification Destroy Value? Evidence from the Industry ShocksJun 2026