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portfolio moves closer to exact efficiency, the GLS mean-beta relation moves closer to the exact linear relation corresponding …'s squared relative efficiency, which measures closeness to efficiency in mean-variance space …
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production efficiency earn significantly higher average returns in the future. The return difference between the high production … efficiency and the low production efficiency portfolio is 25.7% annually, after adjusted for exposures to the market return, size …, value and momentum factor. The production efficiency retains its forecasting capability even on large capitalization stocks …
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