QUESTIONS 19 THROUGH 32 RELATE TO QUANTITATIVE METHODS

30. Purvi Joshi is an equity analyst. She wants to compare companies according to their P/B ratios at the end of each year for last 10 years. But she finds out that book value is not getting updated at the end of year and generally gets updates 30 to 60 days after the beginning of the next year. Her results are most likely to suffer by: A. sample selection bias B. time-period bias C. look-ahead bias

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