Misvaluation and Corporate Inventiveness
68 Pages Posted: 28 Dec 2017 Last revised: 19 Dec 2022
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Misvaluation and Corporate Inventiveness
Date Written: December 2017
Abstract
We test how market overvaluation affects corporate innovation. Estimated stock overvaluation is very strongly associated with measures of innovative inventiveness (novelty, originality, and scope), as well as R&D and innovative output (patent and citation counts). Misvaluation affects R&D more via a non-equity channel than via equity issuance. The sensitivity of innovative inventiveness to misvaluation is increasing with share turnover and overvaluation. The frequency of exceptionally high innovative inputs/outputs increases with overvaluation. This evidence suggests that market overvaluation may generate social value by increasing innovative output and by encouraging firms to engage in highly inventive innovation.
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