For a Healthy and a Wealthy Longevity Economy!
Most breakthroughs in longevity focus on how to live longer — new genes, new drugs, new diets. But living longer without financial security is not a gift; it’s a gamble.
That’s why this week’s Sunday Superstars of the Longevity Economy, curated by AgeTech Leadership Labs, honor Robert C. Merton and Arun Muralidhar — two brilliant financial thinkers who have re-imagined how the world can sustain wealthspan across longer lifetimes.
The Longevity Economy Greatest Problem They Saw
Across the world, pension systems are under strain. Lifespans are rising, markets are volatile, and retirement savings often fail to convert into predictable income. Most people don’t know how much to save, where to invest, or how to ensure their money lasts as long as they do.
In short — we’ve extended life expectancy, but not financial expectancy.
And with that comes another silent challenge: the gradual erosion of purchasing power as people live longer — a kind of longevity inflation that few policymakers are yet measuring, but everyone will soon feel.
From Option Pricing to Life Planning
Robert C. Merton, Nobel Laureate and MIT Sloan Professor, is best known as the co-creator of the Black–Scholes–Merton model — the mathematical foundation of modern option pricing that reshaped global finance. But in one of the most meaningful pivots of his career, Merton turned his genius from markets to people — applying the same rigor that priced risk to now protect lives across time.
Together with Arun Muralidhar, co-founder of AlphaEngine and fellow MIT economist, he set out to solve what Merton called “the nastiest, hardest problem in finance” — how to turn accumulated savings into guaranteed, lifelong income.
Their answer: SeLFIES (Standard of Living Indexed, Forward-Starting, Income-Only Securities) also known as Retirement Security Bonds (RSBs).
The Longevity Economy Innovation That Redefines Wealthspan
SeLFIES are revolutionary because they:
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Start paying only at retirement — when income is truly needed.
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Are indexed to living standards or inflation — preserving purchasing power for life.
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Simplify everything — citizens just decide when they’ll retire and what income they’ll need.
The brilliance of SeLFIES lies not in complexity, but in clarity. They shift the global retirement conversation from “How much wealth do I have?” to “How much income security will I have for life?”
From Theory to Reality — Brazil’s RendA+
In 2023, Brazil became the first country to bring this concept to life through the RendA+ bond, adapted by Azita Sharif and Alexandre Vitorino in collaboration with Merton and Muralidhar. For the first time, ordinary citizens could buy a simple, government-issued bond that guarantees a lifelong, inflation-protected income stream — a pension fund in a single product.
MIT Sloan called it a milestone in financial innovation. In a world where people fear outliving their money, RendA+ gave longevity a safety net.
Why They Are Superstars of the Longevity Economy
Robert C. Merton and Arun Muralidhar are not merely economists; they are architects of financial dignity. Merton transformed financial theory through the Black–Scholes–Merton model. Together with Muralidhar, he has now transformed financial purpose — ensuring that the benefits of longer life are backed by security, not uncertainty.
In doing so, they expanded the very meaning of longevity — from living longer to living securely. Their work bridges finance, policy, and purpose, reminding us that the Longevity Economy is not only about biotech or medicine — it’s also about the systems that make longer lives sustainable.
At Nitin Jaiswal at AgeTech Leadership Labs, we salute these pioneers whose innovation inspires us to continue building frameworks that strengthen wealthspan and safeguard the future of financial longevity for all.
Because living longer means little unless we can afford to live well.
In the end, longevity is not only about lifespan —
It’s about livelihood.
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