Integrating sustainability into helix models for eco-innovation: The eco-5HM

Abstract

While helix models facilitate stakeholder collaborations among academia, government, and industry (triple helix model: 3HM) and often extend to include civil society (quadruple helix model: 4HM) and the natural ecosystem (quintuple helix model: 5HM), their effectiveness in promoting eco-innovation remains unclear. This ambiguity highlights the need to examine and, if necessary, refine the helix model to achieve strong sustainability outcomes. A systematic review of 153 publications linking helix models with sustainability was conducted to provide an overview. Taxonomy scoring indicates that the relationships between helix models and sustainability are unstable due to a limited corpus size compared to the helix literature, narrow because they fail to encompass a comprehensive sustainability system, and shallow by lacking representative targets, priorities, and indicators, as most helix studies address sustainability in a superficial manner. To address this gap, a critical review of 37 high-performing publications was conducted to unpack their contributions to eco-innovation ecosystems. These contributions informed the development of a consolidated and improved helix model, known as eco-5HM, incorporating eight key sustainability concepts and 18 strategic stakeholder relations as drivers to provide a strong focus on sustainability within helix-based innovation ecosystems. The present review therefore offers valuable insights for academics, practitioners, and policymakers on developing eco-innovation ecosystems for the benefit of all stakeholders. • Helix models are widely applied multistakeholder innovation ecosystems. • Review of 153 helix model papers shows little eco-innovation or sustainability focus. • Eco-5HM helix model integrates sustainability both broadly and deeply for eco-innovation. • Multistakeholder innovation can prioritize nature and society over short-term profit. • Eco-5HM opens avenues for future studies on multistakeholder innovation for sustainability.

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