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Matthew Kahn
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175 followers
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My New Hamilton Project Paper on Investing in Urban Climate Resilience
I am very happy to announce that the Brookings Institution h as just published my new paper   titled "Protecting Urban Places and Populations from Rising Climate Risk".  Back in 2011,  David Levinson and I published "Fix it First" and that paper became well...

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Urban Terror Risk vs. Urban Climate Change Risk
The NY Times has published a touching piece about London in the aftermath of the recent terror attack.  Several years ago, I published a piece that contrasts adaptation to terror risk versus climate change risk.  I think it is useful to restate my key point...

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Immigration Restrictions Offer a Natural Experiment to Test Spatial Equilibrium Theories
President Trump is helping a future generation of economists to publish natural experiment papers.  In a "natural experiment" research design (see QJE back in the 1990s), a sudden policy change provides exogenous variation that allows for a test of whether ...

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President Trump's Policy Shifts Offers a Test of Moral Hazard Theory
This Houston Chronicle piece is worth reading.    The new Trump Administration budget calls for eliminating funding for the U.S Chemical Safety Board.    This agency investigates chemical spills.  In the absence of such an entity (and thus a weakened deterr...

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My New HBR Piece on Climate Skeptics and Induced Innovation
My new Harvard Business Review piece is based on th is recent NBER paper. Climate change will increase the risk of temperature extremes. Induced innovation could offset some of this threat. This paper explores the demand and supply for climate adaptation in...

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Would California be an Even Better Place to Live if Republicans had more Political Clout?
The LA Times has published a fascinating piece  pointing to California as an important state where Republicans wield little political clout. In such a "progressive paradise", is all well?  Or , to repeat this again;  when progressives are in charge does the...

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New York City Snow as a Test of Urban Resilience
Two years ago, I was chatting with one of the current editors of one of the "top 5" economics journals. I sketched my climate change adaptation arguments and he grudgingly agreed with my optimism (this occurs quite often in private discussions).  He then sa...

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Caltrain as Another Case of Spending "Other People's Money"
Caltrain is a painfully slow train that connects San Francisco Airport to Stanford to San Jose.  This double decker train stops every mile and cruises at a speed of about 25 miles per hour.    Here is  a photo of this bus  on rails.  This train could move f...

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Recruiting PHD Admits to Join USC Economics
I remember April 1988 as if it was yesterday.  I had been accepted by the University of Chicago's Economics PHD program and I flew in to the city where I was born to see if I wanted to try my luck at this rigorous PHD program.   The first person I met was E...

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An Economic Analysis of Bernie Sanders' NY Times Piece on Drug Pricing
Bernie Sanders offers President Trump some advice in this NY Times opinion piece .  The Senator goes on to single out UCLA for making millions from selling a drug patent to a for profit drug company.  Senator Sanders bemoans that U.S tax payer dollars (thro...
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