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Book-to-market ratio (BE/ME), market equity (ME), and one- year past return (momentum) (MOM) help explain the cross- section of expected individual stock returns within the U.S. and within other countries. Examining equity markets as a whole, in contrast to individual stocks, we uncover strong parallels between the explanatory power of these variables for individual stocks and for countries. First, country versions of BE/ME, ME, and MOM help explain the cross-section of expected country returns. Second, the January seasonal in ME's explanatory power for stocks also appears for countries. Third, portfolios formed by sorting stocks and countries on these variables produce similar patterns in profitability before and after the portfolio formation date.
Asness et al. (Wed,) studied this question.
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