Tests of the semi-strong form of the efficient market hypothesis (EMH) typically use earnings and book value of equity as benchmarks of fundamental value. Accounting earnings, however, are contaminated by noise due to their transient component and book value of equity tends to be biased...

The value premium earned on value and growth investment strategies increases after adjusting for transitory earnings and for the accounting conservatism bias in the book value of equity. Simple investment strategies based on earnings-to-price (E/P) and book-to-market (B/M) performed on the...