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The Limits Of Portfolio Primacy, Roberto Tallarita, Associate Director Of The Program On Corporate Governance

Vanderbilt Law Review

According to the “portfolio primacy” theory, large asset managers, and in particular large index funds, can and will undertake the role of “climate stewards” and will push corporations to reduce their carbon footprint. This theory is based on the view that index fund portfolios mirror the entire market and therefore have strong financial incentives to reduce market-wide threats, such as climate change.

But how much can we rely on portfolio primacy to mitigate the effects of climate change? In this Article, I provide a conceptual and empirical assessment of the potential impact of portfolio primacy on climate change mitigation by …