Moving Beyond Modern Portfolio Theory: Investing that Matters (Routledge, 2021) tells the story of how Modern Portfolio Theory (MPT) revolutionized the investing world and the real economy, but is now showing its age. MPT has no mechanism to understand its impacts on the environmental, social and financial systems, nor any tools for investors to mitigate the havoc that systemic risks can wreck on their portfolios. It's time for MPT to evolve. The authors, Jon Lukomnik and James Hawley, propose a new imperative to improve finance's ability to fulfil its twin main purposes: providing adequate returns to individuals and directing capital to where it is needed in the economy. They show how some of the largest investors in the world focus not on picking stocks, but on mitigating systemic risks, such as climate change, so as to improve the risk/return profile of the market as a whole. The author's "Investing that matters" embraces MPT's focus on diversification and risk adjusted return, but understands them in the context of the real economy and the total return needs of investors. Whether an investor, an MBA student, a Finance Professor or a sustainability professional, Moving Beyond Modern Portfolio Theory: Investing That Matters is thought-provoking and relevant.

Daniel Peris is Senior Vice President at Federated Hermes in Pittsburgh. He can be reached at DanielxPeris@gmail.com or via Twitter @HistoryInvestor. His History and Investing blog and Keep Calm & Carry On Investing podcast are at https://strategicdividendinves...

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