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Patents and R&D expenditure in explaining stock price movements

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  • Yu, Gun Jea
  • Hong, KiHoon

Abstract

We investigate whether the number of patents, classified by exploitation and exploration activities, can complement corporate R&D expenditure in explaining stock price movements (SPM). Based on unique corporate patent data, we empirically find that the number of patents have more significant explanatory power in explaining SPM than R&D expenditure. Our results indicate that incorporating the number of patents in explaining SPM could add value.

Suggested Citation

  • Yu, Gun Jea & Hong, KiHoon, 2016. "Patents and R&D expenditure in explaining stock price movements," Finance Research Letters, Elsevier, vol. 19(C), pages 197-203.
    • Handle: RePEc:eee:finlet:v:19:y:2016:i:c:p:197-203
    DOI: 10.1016/j.frl.2016.07.012
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    Cited by:

    1. Yang, Ann Shawing & Okada, Hiromu, 2019. "Corporate innovations as institutional anomie: Patent activities and financial performance of the international aerospace industry," Finance Research Letters, Elsevier, vol. 28(C), pages 328-336.
    2. Zhou, Wei & Gu, Ruitao & Lu, Shuai, 2020. "Penetrating the real performance of SSE STAR enterprises: A double-market investigation," Finance Research Letters, Elsevier, vol. 37(C).
    3. Jiang, Cuiqing & Zhou, Yiru & Chen, Bo, 2023. "Mining semantic features in patent text for financial distress prediction," Technological Forecasting and Social Change, Elsevier, vol. 190(C).
    4. Chindasombatcharoen, Pongsapak & Chatjuthamard, Pattanaporn & Jiraporn, Pornsit & Treepongkaruna, Sirimon, 2023. "Director age and corporate innovation: Evidence from textual analysis," Journal of Behavioral and Experimental Finance, Elsevier, vol. 37(C).
    5. Liu, Dayong & Lu, Zhao & Wang, Guanying & Meng, Qiaoran, 2024. "A two-dimensional innovation activity factor and stock pricing: Evidence from the Chinese stock market," International Review of Economics & Finance, Elsevier, vol. 90(C), pages 102-114.
    6. Fang Chen Kao & Minh‐Hieu Le, 2022. "Effects of corporate social responsibility on pharmaceutical multinational enterprises performance: Research and development and business efficiency perspectives," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 43(8), pages 3419-3434, December.

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    More about this item

    Keywords

    Corporate innovation; R&D expenditure; Stock price movements; Patents;
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Fixed Investment and Inventory Studies
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • O32 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Management of Technological Innovation and R&D

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