This paper compares the comovement of individual stock returns across emerging markets. Campbell et al. and Morck et al. have shown that the United States saw rising firm-specific stock return variations, and thus declining comovement, over the second half of the twentieth century. We detect a...

Under Section 337 of the Tariff Act of 1930 a firm can challenge imports that infringe its U.S. intellectual property rights, such as patents, copyrights and trademarks. Based on publicly available information this paper examines the characteristics of firms that file complaints under Section...

U.S. firms' stock return volatility rose fivefold from 1971 through 2000 and then reverted to near 1971 levels by 2006. This was driven mainly by a rise and fall in the firm-specific, rather than systematic, component of volatility. Firm-level total factor productivity growth volatility...