Since the large firm portfolio excess returns are relative to an equal-weighted control portfolio (which is more heavily represented by smaller component firms) autocorrelation is induced into the large firm portfolio excess returns by the equal-weighted control portfolio.[注释:Small firm portfolio returns generally exhibit higher autocorrelation than large firm portfolio returns. As evidence, for the period 1963-1979, the daily equal-weighted NYSE-AMEX index has first-order autocorrelation of 0.408, while the daily value-weighted NYSE-AMEX index has first-order autocorrelation of 0.205.]

不知道an equal-weighted control portfolio 和注释中的the daily value-weighted 作何解?本人初看原文文献,尝试翻译,屡有疑惑.希望各位大人解惑.谢谢.