The Joe Walker Podcast
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The Joe Walker Podcast
Joe Walker hosts refreshingly in-depth conversations with founders, scientists, scholars, economists, and public intellectuals. (Formerly 'The Jolly Swagman Podcast'.)
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How Dogma Delayed The Discovery of The Bacterium Behind 5% of All Cancers — Barry Marshall
One bacterium causes roughly 1 in 20 cancer cases worldwide. It’s the most cancer-causing pathogen we’ve found—and the main cause of peptic ulcers. It...

Australia’s ‘Great Stagnation’: Everything You Need to Know About The Productivity Crisis — Greg Kaplan & Michael Brennan
Stagnation! The 2010s witnessed Australia’s weakest productivity growth in six decades.
How much of the slowdown is homegrown? How much reflects...
Francis Fukuyama — AGI and the Recommencement of History
Francis Fukuyama is a Stanford political scientist and the author of (among many other works) The End of History and the Last Man—arguably the most in...
Laura Deming — On Pausing Biological Time & Preserving the Continuous Self
Laura Deming is a technologist and venture capitalist focused on anti-ageing and life extension. At 17, she founded The Longevity Fund (followed by ag...
Eight Things I Learned From My Aussie Policy Series
I share the 8 biggest things I learned from my Australian policy series. The conversations totaled more than 12 hours of discussion.
Grateful to...
Ken Henry — What Killed the Reform Era? [Aus. Policy Series - LIVE]
This episode is the seventh instalment of my Australian policy series, recorded live in Sydney on April 29, 2025.
I speak with Ken Henry—former...
Sam Roggeveen — Why the US Won't Fight China for Dominance (and What it Means for Australia) [Aus. Policy Series - LIVE]
This episode is the sixth instalment of my Australian policy series, recorded live in Sydney on February 26, 2025.
I speak with Sam Roggeveen—Di...
Peter Tulip — What Will It Actually Take to Solve the Housing Crisis? [Aus. Policy Series - LIVE]
This episode is the fifth instalment of my Australian policy series, recorded live in Sydney on February 12, 2025.
I speak with Peter Tulip—Chie...
Judith Brett — How a Benthamite Political Culture Shaped Australia's Electoral System [Aus. Policy Series - LIVE]
Australia stands alone among English-speaking democracies with its compulsory, preferential voting system. But why?
This episode is the fourth i...
Richard Holden & Steven Hamilton — How Australia Gets It Done [Aus. Policy Series - LIVE]
This episode is the third of my live policy salons. It was recorded in Sydney on February 5, 2025.
We explore the concept of state capacity—the...
Andrew Leigh — Inequality and Egalitarianism [Aus. Policy Series - LIVE]
This episode is the second of my live policy salons. It was recorded in Sydney on January 29, 2025.
What is the relationship between economic eq...
Abul Rizvi — Inside Immigration Policy [Aus. Policy Series - LIVE]
This episode is the first of my live policy salons. It was recorded in Melbourne on January 23, 2025.
In this salon, we go deep into Australia's...
Behind the Scenes of My Interview Research Process — Andy Matuschak Crashes My Crib
This episode is a little different: I’m the one being interviewed—and my interlocutor is Andy Matuschak, an independent applied researcher focused on...
Eugene Fama — For Whom Is The Market Efficient?
Eugene Fama is a 2013 Nobel laureate in economic sciences, and is widely recognised as the "father of modern finance." He is currently the Robert R. M...
Richard Butler — Nuclear Diplomacy at the End of History
Richard Butler AC is a retired Australian diplomat. He served as Australia's first Ambassador for Disarmament (1983-1988), Australian Ambassador to th...
Larry Summers — AGI and the Next Industrial Revolution
Larry Summers is a former US Treasury Secretary (1999-2001), Chief Economist at the World Bank (1991-1993), and Director of the National Economic Coun...
Nassim Taleb — Meditations on Extremistan
Nassim Taleb is trader, researcher and essayist. He is the author of the Incerto, a multi-volume philosophical and practical meditation on uncertainty...
Robert Boyd & Peter Richerson — How Ice Age Climate Chaos Made Humans Cultural Animals
Robert Boyd and Peter Richerson are anthropologists based in America. Their partnership was central to the development of Dual-Inheritance Theory, a f...
Lucy Turnbull — Urbanism, YIMBYism, and Solutions to Australia's Housing Crisis (Bonus Live Episode)
Lucy Turnbull is an urbanist, businesswoman and philanthropist.
She was the first female Lord Mayor of Sydney, from 2003-4.
From 2015-20,...
Bryan Caplan — The Economics of Housing Abundance
Bryan Caplan is Professor of Economics at George Mason University. A bestselling author, his books include The Case Against Education, Open Borders, a...
2023 Retrospective — A Listener Interviews Me
In this special episode, the tables are turned as I'm interviewed by a listener of the show, DJ Thornton from Sydney. We reflect on the progress of th...
David Deutsch & Steven Pinker (First Ever Public Dialogue) — AGI, P(Doom), & The Enemies of Progress
At a time when the Enlightenment is under attack from without and within, I bring together two of the most thoughtful defenders of progress and reason...
Shruti Rajagopalan — On Spotting Talent, And Making Sense of Rising India
Shruti Rajagopalan is an Indian-American economist. She leads the Indian political economy research program and Emergent Ventures India at the Mercatu...
Raghuram Rajan — Debt, Monetary Policy, and Unintended Consequences
What were the deep causes of the global financial crisis and great recession? Has unconventional monetary policy in the wake of the crisis done more h...
Peter Singer — Moral Truths and Moral Secrets
Peter Singer is the Ira W. DeCamp Professor of Bioethics at Princeton University. He is widely regarded as the world's most influential living philoso...
Peter Turchin — Why Societies Fall Apart (And Why the US May Be Next)
Peter Turchin is a complexity scientist and one of the founders of cliodynamics — a new, cross-disciplinary field that applies mathematics and big dat...
Stephen Wolfram — Constructing the Computational Paradigm
Stephen Wolfram is a physicist, computer scientist and businessman. He is the founder and CEO of Wolfram Research, the creator of Mathematica and Wolf...
Katalin Karikó — Forging the mRNA Revolution
Katalin Karikó is a Hungarian-American biochemist. She is one of the inventors of mRNA technology.
Full transcript available at: thejspod.com.
Richard Rhodes — The Making of the Atomic Bomb
Richard Rhodes is an American historian and the Pulitzer Prize-winning author of The Making of the Atomic Bomb.
Full transcript available at: th...
Ken Henry — An Economic Odyssey
Dr Ken Henry is an Australian economist who served as Secretary of Australia's Treasury from 2001 to 2011. He was instrumental in helping Australia av...
Palmer Luckey — Science (Non)fiction
Palmer Luckey is an American tech entrepreneur and billionaire. He has founded two companies: Oculus VR (acquired by Facebook for $2 billion in 2014),...
Daniel Kahneman — Dyads, And Other Mysteries
Daniel Kahneman is widely regarded as the most influential psychologist alive. He won the Nobel Prize in Economics (2002) for his work on judgment and...
Talent Is That Which Is Scarce — Tyler Cowen
In the long run, talent allocation is almost everything. But as a society, we're not actually very good at it. The question of how to reliably match p...
Intellectual Exoskeletons — Andy Matuschak
From language and writing to the Hindu-Arabic numeral system, computers and Adobe Photoshop, our species has a history of inventing tools for augmenti...
Rationality And Its Opposite — Steven Pinker
How rational are we? How can a species smart enough to set foot on the moon also be prone to conspiracy theories that the moon landing was fake? Joe s...
Against Bayesianism — David Deutsch
Bayesianism, the doctrine that it's always rational to represent our beliefs in terms of probabilities, dominates the intellectual world, from decisio...
The Lessons Of Afghanistan — William Dalrymple
William Dalrymple is an acclaimed historian and writer.
Show notes available at: josephnoelwalker.com/138-afghanistan
See omnystudio.com/l...
The Race That Stopped The Nation — Richard Holden & Steven Hamilton
Richard Holden is Professor of Economics at UNSW. Steven Hamilton is an Assistant Professor of Economics at The George Washington University.
Fu...
Ergodicity — Ole Peters
Ole Peters is a physicist and a Fellow at the London Mathematical Laboratory.
Show notes available at: josephnoelwalker.com/136-ergodicity
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