Matthew E. Kahn
@mattkahn1966.bsky.social
📤 2019
📥 229
📝 119
A nomad economist traveling around Southern California and Manhattan.
open.substack.com/pub/matthewe...
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The Economic Implications of Peace Expectations in Eastern Ukraine
When wars end, rebuilding takes place and an economic boom often ensues as the capital stock is rebuilt.
https://open.substack.com/pub/matthewekahn/p/the-economic-implications-of-peace?utm_source=share&utm_medium=android&shareImageVariant=overlay&r=a9x6y
4 days ago
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reposted by
Matthew E. Kahn
AERE
10 days ago
📢 Just accepted in
#JAERE
! 📢 "Decarbonizing Aviation: Cash-for-Clunkers in the Airline Industry" by Jan K. Brueckner, Matthew E. Kahn (
@mattkahn1966.bsky.social
), and Jerry Nickelsburg. Read it here:
buff.ly/JExG0Iz
📈📉
#Econsky
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My thoughts on incorporating AI in undergrad economics education.
drive.google.com/file/d/1EFoN...
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AI_and_the_Economics_Major_12_3_2025.pdf
https://drive.google.com/file/d/1EFoNC4wuclRGZcOO23EGM6BxvbSFF2af/view?usp=drivesdk
14 days ago
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My thoughts about the public policy proposals from leading household finance scholars.
drive.google.com/file/d/1G9Hl...
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_Fixed_ book review by Campbell and Ramadorai.pdf
https://drive.google.com/file/d/1G9HlXZ6c-JtXteZePWFgs_xnFCMj3Uzr/view?usp=drivesdk
14 days ago
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I am circulating my new paper on how AI will improve undergraduate economics education.
drive.google.com/file/d/1EFoN...
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AI_and_the_Economics_Major_12_3_2025.pdf
https://drive.google.com/file/d/1EFoNC4wuclRGZcOO23EGM6BxvbSFF2af/view?usp=drivesdk
25 days ago
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Will AI and Robots Eliminate Poverty?
In a provocative interview, Elon Musk said “AI and robots will eliminate poverty”.
https://open.substack.com/pub/matthewekahn/p/will-ai-and-robots-eliminate-poverty?utm_source=share&utm_medium=android&r=a9x6y
about 1 month ago
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Efficiency boosts trust in government.
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Monitoring Public Sector Mega-Projects
What do Boston’s Big Dig project, the California High Speed Rail project, the Los Angeles Purple Line connecting the Pacific Ocean to downtown LA, and Manila, Philippines flood control investment have...
https://open.substack.com/pub/matthewekahn/p/monitoring-public-sector-mega-projects?utm_source=share&utm_medium=android&r=a9x6y
about 1 month ago
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Who Protects the Sheep from the Wolves of Wall Street? A Review of “Fixed” by Campbell and Ramadorai (2025)
In the 2025 book Fixed: Why Personal Finance Is Broken and How to Make It Work for Everyone, John Campbell and Tarun Ramadorai (CR) provide a general audience overview of the main themes of modern hou...
https://open.substack.com/pub/matthewekahn/p/who-protects-the-sheep-from-the-wolves?utm_source=share&utm_medium=android&r=a9x6y
about 1 month ago
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A 14 minute discussion about AI, data, jobs, my mother, Robert Redford and selection bias.
open.substack.com/pub/matthewe...
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How Does the Rise of AI Impact Young Person's Labor Market Opportunities?
Tonight at USC’s Department of Economics, I will participate in a panel discussion related to the rise of AI and its implications for the Labor Market.
https://open.substack.com/pub/matthewekahn/p/how-does-the-rise-of-ai-impact-young?utm_source=share&utm_medium=android&r=a9x6y
about 2 months ago
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about 2 months ago
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A Prospective Analysis of The Trump Administration's New Policy that Expands Access to "Miracle" Weight Loss Drugs
Many applied microeconomists have had successful research careers measuring the intended and unintended consequences of policy changes.
https://open.substack.com/pub/matthewekahn/p/a-prospective-analysis-of-the-trump?utm_source=share&utm_medium=android&r=a9x6y
about 2 months ago
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Mayor Mamdani's Policies Will Offer a High Stakes Test of the Urban Laffer Curve
I lived in Manhattan from 1968 until 1972 and from 1993 to 1996 and from 1998 to 2000.
https://open.substack.com/pub/matthewekahn/p/mayor-mamdanis-policies-will-offer?utm_source=share&utm_medium=android&r=a9x6y
about 2 months ago
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As the job market begins, I want to highlight a USC economics student who has written a better thesis than my 1993 "classic".
sites.google.com/view/sneha-n...
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Sneha Nimmagadda
Email Address:
[email protected]
Phone: +1 (310) 359-5293
https://sites.google.com/view/sneha-nimmagadda/?s=09
about 2 months ago
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I am circulating a free copy of my new book about economic shocks.
drive.google.com/file/d/1vZro...
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Diabetes, Floods and Unemployment .pdf
https://drive.google.com/file/d/1vZroisQpeCS4fiIdOo-l0537alsNnjpq/view?usp=drivesdk
about 2 months ago
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Great to work on this report
www.worldbank.org/en/publicati...
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Rethinking Resilience: Adapting to a changing climate
The most consequential climate-policy question for developing economies is how quickly people, firms, and governments can prepare for shocks, recover from them, and learn to do better next time.
https://www.worldbank.org/en/publication/rethinking-resilience
about 2 months ago
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New (Optimistic) Evidence on Adapting to Snowstorms
In our information age, we have increasing access to real-time local weather forecasts.
https://open.substack.com/pub/matthewekahn/p/new-optimistic-evidence-on-adapting?utm_source=share&utm_medium=android&r=a9x6y
2 months ago
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A Green Vibe Shift?
While Led Zeppelin recorded “The Song Remains the Same”, Bill Gates is now singing a slightly different (optimistic) green tune.
https://open.substack.com/pub/matthewekahn/p/a-green-vibe-shift?utm_source=share&utm_medium=android&r=a9x6y
2 months ago
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Lessons from the 2025 Nobel Prize in Economics for the Abundance Advocates
The 2025 Nobel Prize in Economics celebrates Creative Destruction.
https://open.substack.com/pub/matthewekahn/p/lessons-from-the-2025-nobel-prize?utm_source=share&utm_medium=android&r=a9x6y
2 months ago
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The Simple Economics of Flood Risk Model Uncertainty and Risk Modeling Progress
Every property in the United States is at risk of flooding.
https://open.substack.com/pub/matthewekahn/p/the-simple-economics-of-flood-risk?utm_source=share&utm_medium=android&r=a9x6y
3 months ago
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The Economics of Shipping Green Power to U.S Cities versus Chinese Cities
The New York Times has published an insightful article that allows the authors to sketch out the environmental benefits of an authoritarian state (where the CCP can allocate land as it sees fit) and t...
https://open.substack.com/pub/matthewekahn/p/the-economics-of-shipping-green-power?utm_source=share&utm_medium=android&r=a9x6y
3 months ago
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Why Does Superstar Caitlin Clark Only Earn $84,000 to Play in the WNBA?
Caitlin Clark is a superstar who earns $84,000 playing professional basketball in the WNBA.
https://open.substack.com/pub/matthewekahn/p/why-does-superstar-caitlin-clark?utm_source=share&utm_medium=android&r=a9x6y
3 months ago
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The Simple Economics of Shifting Electricity Demand Curves
In this Substack, I build on my recent podcast. I present a simple geometric example to illustrate what economists mean when they discuss calculating the “derived demand” for electricity.
https://open.substack.com/pub/matthewekahn/p/the-simple-economics-of-shifting?utm_source=share&utm_medium=android&r=a9x6y
3 months ago
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An Incentive Proposal for Accelerating Tenured Faculty Retirement and Reducing University Budget Deficits
I am deeply worried about the academic job prospects for young Ph.Ds in fields such as economics.
https://open.substack.com/pub/matthewekahn/p/an-incentive-proposal-for-accelerating?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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A 7000 page free book. This is a big file. 150 meg.
drive.google.com/file/d/17uEI...
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Matthew_E_Kahn_blog_2007-2024.pdf
https://drive.google.com/file/d/17uEIrdWs3yKV88WtvPHpNceCgIq8qk8j/view?usp=drivesdk
4 months ago
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A Coasian Perspective on Improving Urban Public School Education
In urban public education systems across the United States, an achievement gap persists.
https://open.substack.com/pub/matthewekahn/p/a-coasian-perspective-on-improving?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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riponsociety.org/article/the-...
4 months ago
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My mother says that this photo makes me look like a candidate running to be the Governor of Missouri. I hope she agrees with 72% of my points here.
riponsociety.org/article/the-...
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The Cost of Chronic Disease | The Ripon Society
As of 2023, roughly 194 million American adults had at least one chronic condition, which cost our nation’s economy billions of dollars each year.
https://riponsociety.org/article/the-cost-of-chronic-disease/
4 months ago
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Costa!
www.nber.org/papers/w34184
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Equality Before the Law in U.S. Civil War Courts-Martial
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an...
https://www.nber.org/papers/w34184
4 months ago
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A 9 minute podcast on data centers and AI and power plant geography.
open.substack.com/pub/matthewe...
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A Podcast on The Benefits of Co-locating Power Plants Next to Data Centers
The microeconomic perspective on daily events.
https://open.substack.com/pub/matthewekahn/p/a-podcast-on-the-benefits-of-co-locating?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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Do the GSEs=SOEs?
Mortgage Securitization Reform Lessons from China's State Owned Enterprises
https://open.substack.com/pub/matthewekahn/p/do-the-gsessoes?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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reposted by
Matthew E. Kahn
Hoover Institution
4 months ago
The Hoover Institution is now accepting applications for the 2026 Hoover Fellows Program. This five-year fellowship offers early-career scholars a platform to pursue research shaping public policy. Learn more and apply here:
www.hoover.org/hoover-fello...
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Hoover Fellows Program
A PATH for early-career scholars The Hoover Institution at Stanford University seeks outstanding scholars for positions as a Hoover Fellow. The term of the appointment is five years and may be renewed...
https://www.hoover.org/hoover-fellows-program
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Prospective Rosy Predictions of the Benefits of Costly Megaprojects Result in the Misallocation of Capital
California’s High Speed Rail project is very costly and highly subsidized by the Federal Government.
https://open.substack.com/pub/matthewekahn/p/prospective-rosy-predictions-of-the?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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True, false, uncertain. Briefly explain.
open.substack.com/pub/matthewe...
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Why Don't Suburban Phoenix Voters Support Raising Carbon Taxes?
Every Monday, the NBER releases its new set of Working Papers.
https://open.substack.com/pub/matthewekahn/p/why-dont-suburban-phoenix-voters?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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Will the Rise of WFH Increase the Likelihood that Women Work and Have Children?
This Substack will zigzag as I discuss 50 years of economic demography research (focused on the work of Gary Becker and Jacob Mincer) and then I will pivot and discuss my demography research before I ...
https://open.substack.com/pub/matthewekahn/p/will-the-rise-of-wfh-increase-the?utm_source=share&utm_medium=android&r=a9x6y
4 months ago
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www.nber.org/papers/w34147
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Has the Rise of Work from Home Reduced the Motherhood Penalty in the Labor Market?
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an...
https://www.nber.org/papers/w34147
4 months ago
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Adapting to an Anticipated Challenge
Why is Europe So Slow to Invest in Air Conditioning?
https://open.substack.com/pub/matthewekahn/p/adapting-to-an-anticipated-challenge?utm_source=share&utm_medium=android&r=a9x6y
5 months ago
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A Tasty mantra.
5 months ago
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The Causal Effects of Descriptive Facts
Correlation Causes Causation!
https://open.substack.com/pub/matthewekahn/p/the-causal-effects-of-descriptive?utm_source=share&utm_medium=android&r=a9x6y
5 months ago
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My 5 Minute August 2025 Stanford Talk on the Role of Land and Energy Regulations Limiting Economic Growth
In this podcast, I present my very short talk
https://open.substack.com/pub/matthewekahn/p/my-5-minute-august-2025-stanford?utm_source=share&utm_medium=android&r=a9x6y
5 months ago
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Should Federal Homeownership Subsidies Shrink?
The Federal Government spends billions subsidizing homeownership.
https://open.substack.com/pub/matthewekahn/p/should-federal-homeownership-subsidies?utm_source=share&utm_medium=android&r=a9x6y
5 months ago
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Documenting Recent Convergence in Home Prices Across Local U.S Real Estate Markets
Zillow uses its Big Data on local real estate markets to create interesting data for the public to play with.
https://open.substack.com/pub/matthewekahn/p/documenting-recent-convergence-in?utm_source=share&utm_medium=android&r=a9x6y
5 months ago
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A New Supermodel Competition!
What wildfire risk model should the California Insurance Regulator use to determine whether "price gouging" on insurance premiums is taking place?
https://open.substack.com/pub/matthewekahn/p/a-new-supermodel-competition?utm_source=share&utm_medium=android&r=a9x6y
5 months ago
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David Autor has coauthored an interesting new AI paper that gives me the opportunity to discuss Michael Jordan and robots.
open.substack.com/pub/matthewe...
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The Impact of AI Adoption on Worker Productivity and Quality of Life
What if Michael Jordan Had to Mow His Own Lawn?
https://open.substack.com/pub/matthewekahn/p/the-impact-of-ai-adoption-on-worker?utm_source=share&utm_medium=android&r=a9x6y
6 months ago
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An Economic (Human Capital) Theory of Stagnant U.S Nuclear Power Generation Innovation
The Lasting Effect of Chernobyl and Three Mile Island
https://open.substack.com/pub/matthewekahn/p/an-economic-human-capital-theory?utm_source=share&utm_medium=android&r=a9x6y
6 months ago
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The lizard king still walks the tough streets of Westwood.
7 months ago
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Will the Rise of WFH Improve Urban Governance?
During the COVID crisis, the looming threat of an "Urban Doom Loop" became apparent.
https://open.substack.com/pub/matthewekahn/p/will-the-rise-of-wfh-improve-urban?utm_source=share&utm_medium=android&r=a9x6y
7 months ago
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How Will We Adapt as Red States Reduce Their Supply of New Housing?
Some Thoughts About Glaeser and Gyourko (2025)
https://open.substack.com/pub/matthewekahn/p/how-will-we-adapt-as-red-states-reduce?utm_source=share&utm_medium=android&r=a9x6y
7 months ago
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My thoughts about the benefits of geoengineering. These researchers overstate the benefits because they ignore adaptation progress.
open.substack.com/pub/matthewe...
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A Microeconomic Perspective on the Long Term Benefits of Geoengineering
In this audio podcast, I talk about a 2024 PNAS paper.
https://open.substack.com/pub/matthewekahn/p/a-microeconomic-perspective-on-the?utm_source=share&utm_medium=android&r=a9x6y
7 months ago
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Here is the video from our recent event.
youtu.be/dmAv2-BC1uk?...
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Climate Adaptation After The Los Angeles Wildfires | Markets Vs. Mandates | Hoover Institution
YouTube video by Hoover Institution
https://youtu.be/dmAv2-BC1uk?si=XXl4MmT6Jyj_bEfv
7 months ago
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A video of our recent panel on disaster risk mitigation. I thank Margaret and Judd for a great discussion.
youtu.be/ffOiokL6XGo?...
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Climate Adaptation After The Los Angeles Wildfires | Markets Vs. Mandates | Hoover Institution
YouTube video by Hoover Institution
https://youtu.be/ffOiokL6XGo?si=BiC5ORCxmVGAQ7YB
7 months ago
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