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Bioeconomy enters the market: The effect of bioeconomy policies on stock market returns

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  • Grebe, Florian
  • Grebe, Leonard
  • Hermann, Daniel

Abstract

Bioeconomy policies are pivotal for the transition to a competitive and sustainable economy. This study analyzes 11 bioeconomy policy events from the US and the EU (2005–2024), using both short- and long-term event studies to assess their effects on investor perceptions of bioeconomy companies’ competitiveness. The results show a statistically significant influence of bioeconomy policies on the abnormal returns of bioeconomy companies in the short and long term. A negative market reaction predominates in both the short and long term. When comparing the policies of the US and the EU, the US bioeconomy policies are perceived as a relatively less negative signal for investors in the short term, while the EU policy is seen to be a more long-term strategy. This research provides novel insights into the financial implications of bioeconomy policies, and informs about the role of policies for sustainable development and market strategies.

Suggested Citation

  • Grebe, Florian & Grebe, Leonard & Hermann, Daniel, 2026. "Bioeconomy enters the market: The effect of bioeconomy policies on stock market returns," Research in International Business and Finance, Elsevier, vol. 87(C).
    • Handle: RePEc:eee:riibaf:v:87:y:2026:i:c:s0275531926001042
    DOI: 10.1016/j.ribaf.2026.103377
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