KDI JEP Do Patents Lead to an Increase in Firm Value? Evidence from Korea August 31, 2020
August 31, 2020
Patents are widely used in the literature as a measure of firm-level innovation. It is regarded that patents improve a firm’s operational environment and ultimately increase the value of the firm. However, the relationship between patents and firm value in Korea is under-explored in the literature due to the difficulty of constructing datasets. This paper examines whether patents in Korea increase the market value of a firm. To do this, I exploit novel data on firm-level patents and financial information of all listed Korean companies during the period of 1993-2015 and estimate the non-linear production-function type of Tobin’s q equations on R&D, patents, and citations. Surprisingly, I find that patents and citations are weakly associated with firm value, while R&D is strongly associated with an increase in firm value. These results direct imply that policymakers in Korea should enhance patenting incentives to encourage firms to innovate.
- Contents
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Ⅰ Introduction
Ⅱ. Data
Ⅲ. Empirical specification
Ⅳ. Estimation
Ⅴ. Robustness Check
Ⅵ. Conclusion
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