We examine the effect of omitting research and development (R&D) expenditures, which is an important value-relevant item embedded in earnings for estimating the Ohlson (1995) valuation model for loss firms. Consistent with the analytical insight, we find that R&D expenditures are positively...

We examine whether the valuation relevance of R&D documented for loss firms extends to profit firms. We use the residual-income valuation model and show that the valuation multiplier on R&D expenditures is likely to be negative (positive) for profit (loss) firms. This occurs because the linear...