This paper investigates the source of price momentum in the stock market using information from options markets. We provide direct evidence of the gradual information diffusion model in Hong and Stein (1999): momentum profits are larger for stocks whose information diffuses slowly into the stock...

We use carbon dioxide (CO2) emissions growth to measure consumption risk within a consumption-based capital asset pricing model (CCAPM) framework. Given the comprehensive worldwide coverage of CO2 emissions, this measure allows us to use the full history of stock market data in the United...

As leveraged investors, are margin traders as informed as short sellers? Using a unique dataset on stock-level short selling and margin trading from three international stock markets, we find that margin trading has no cross-sectional predictability but short selling does. Compared to short...