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ESG has become one of the most polarising topics in business. Yet beneath the headlines and political debates lies a more fundamental question: how can organisations create long-term value for both shareholders and society?
Host of Think Ahead, Sergei Guriev, Dean and Professor of Economics at London Business School, sits down with Alex Edmans, Professor of Finance at London Business School, to explore a more evidence-led approach to sustainability.
Alex introduces the concept of rational sustainability, arguing that sustainability should be treated neither as an ideology nor as a box-ticking exercise, but as a strategic and financial discipline grounded in evidence, materiality and long-term thinking.
Together, Sergei and Alex discuss why ESG has become so politically charged, the limitations of universal sustainability metrics, how leaders can navigate trade-offs, and what it takes to embed sustainability into core business decision-making.
Whether you are leading a business, investing for the future or simply trying to make sense of the evolving sustainability landscape, this episode offers practical insights on how to focus on what truly creates value.
Host: Sergei Guriev is Dean and Professor of Economics at London Business School. An internationally recognised economist, he is the host of London Business School’s podcast, Think Ahead. The podcast brings together thought leaders and distinguished guests to explore the ideas, trends and challenges shaping the future of business and society.
LinkedIn: https://www.linkedin.com/in/sergei-guriev/
Guest: Alex Edmans is Professor of Finance at London Business School. He has authored 'Grow the Pie' (2020), 'May Contain Lies' (2024), and 'The Madness of Markets' (2026). He joins us as a leading expert on sustainable business, corporate purpose and long-term value creation.
LinkedIn: https://www.linkedin.com/in/aedmans/
Learn more:
• Alex Edmans' website | https://alexedmans.com/
• Alex Edmans' latest book, 'The Madness of Markets' | https://alexedmans.com/madness/
• Why ESG needs a rethink | https://www.london.edu/think/why-esg-needs-a-rethink
• Could "Rational Sustainability" replace ESG? | https://www.london.edu/think/could-rational-sustainability-replace-esg
• Why we should not view ESG as something niche | https://www.london.edu/think/why-we-should-not-view-esg-as-something-niche
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Chapters:
00:00 Introduction
01:40 Why ESG has become so polarised
05:35 Introducing rational sustainability
11:45 Materiality, trade-offs and what really matters
16:30 Integrating sustainability into business strategy
22:00 What effective sustainability leadership looks like
31:30 What comes next for sustainability
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