This paper documents the value-relevance of nonfinancial information on the quantity and quality of inventive output for high-tech companies. We find that the number of patents and information on the quality of patents have consistently positive effects on stock prices. Interestingly, this...

Current accounting rules end regular amortization of goodwill and mandate annual tests for goodwill impairment and loss recognition, when appropriate. These rules make consideration of goodwill write-offs important and timely. In the study reported here, we found that the effects of goodwill...

Together with the number of patents and the value of Ramp;D expenditures, scientific measures of patent quality give investors a useful basis upon which to judge the economic merit of the firm's inventive and innovative activity. Especially in the case of small cap and relatively low P/E high...