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Michael Clemens
@m_clem
Economist at @JohnsHopkins & Fellow @PIIE. Also IZA, @RF_Berlin, & @CGDev. Assoc. Editor JEP. Personal views only.
Washington, DC
mclem.org
Joined January 2010
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    Michael Clemens
    @m_clem
    May 15, 2024
    In my keynote at the @DallasFed / @SMU last month, I explored the root causes of the policy crisis at the Southwest Border Video of my slides, audio of me—> youtube.com/watch?v=G8rPhG… (starts at 9:42, with gracious introduction by Pia Orrenius)
    43K
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    Michael Clemens
    @m_clem
    Sep 28, 2021
    Breakthrough cases of polio—including deaths—were common during early polio vaccination. What kept us safe was not perfect vaccine efficacy. It was that Americans quickly & massively stepped up to get the imperfect vaccine, quashing transmission. From: ncbi.nlm.nih.gov/pmc/articles/P…
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    Michael Clemens
    @m_clem
    Mar 1, 2021
    Pediatric deaths from influenza in the United States, last four flu seasons. Present season: one. cdc.gov/flu/weekly/ind…
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    Michael Clemens
    @m_clem
    Oct 2, 2016
    You know who *does* pay federal taxes? As in $12 billion a year? Unauthorized immigrants do that.
    The Truth About Undocumented Immigrants and Taxes
    From theatlantic.com
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    Michael Clemens
    @m_clem
    Mar 30, 2022
    In the last two years, for the first time in modern history, more Americans state a preference for increased immigration than for decreased immigration. It is the culmination of a trend that began a quarter century ago. news.gallup.com/poll/1660/immi…
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    Michael Clemens
    @m_clem
    Dec 9, 2020
    This graph, for the Pfizer-BioNTech vaccine, may be the most beautiful thing I’ve seen all year. We prayed for this. fda.gov/media/144245/d…
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    Michael Clemens
    @m_clem
    Sep 3, 2021
    Ten years ago I published a paper called "Trillion Dollar Bills on the Sidewalk". I want younger scholars fighting for their ideas to know how that paper was received then, and now —>
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    Michael Clemens
    @m_clem
    Sep 30, 2022
    Deep breath. I'm delighted to announce a great honor. In January I'll start as a full professor with tenure in the Department of Economics at @GeorgeMasonU, and a Non-Resident Fellow at the Peterson Institute @PIIE. I'll remain a fellow of the wonderful @CGDev. A thread—>
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    Michael Clemens
    @m_clem
    Jul 6, 2024
    The “free speech absolutist” would like you to know that if you disagree with him, you should be executed.
    85K
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    Michael Clemens
    @m_clem
    Sep 20, 2021
    Why didn't the Haitians you're seeing in today's viral images "get in line" and migrate "the right way"? Because there is no line. The US provides essentially zero lawful migration opportunities accessible to almost all Haitian nationals. A short thread below —>
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    Molly Hennessy-Fiske
    @mollyhf
    Sep 20, 2021
    Thread: A day in the migrant camp of about 14,000, mainly Haitians, near the border bridge in Del Rio, Texas.
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    Michael Clemens
    @m_clem
    Jan 27, 2017
    Maryam Mirzakhani of @Stanford came from Iran to win the highest prize in mathematics. The U.S. has now banned the next Maryams from coming.
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    Michael Clemens
    @m_clem
    Feb 25, 2021
    A thread of remarkable research on the economics of international migration that I've discovered recently. I'll add to this regularly in the days ahead, in no particular order. I'm summarizing frontier findings, not presenting unquestionable truths. Pour a ☕ and join me—>
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    Michael Clemens
    @m_clem
    Apr 23, 2021
    This is some of the best news in my lifetime.
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    University of Oxford
    @UniofOxford
    Apr 23, 2021
    NEW: Oxford researchers find malaria vaccine is highly effective: • Vaccine efficacy of 77% in African children • Vaccine, trialled in 450 children, shows favourable safety profile and was well-tolerated More info ⬇️ bit.ly/3dP47fH
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    Michael Clemens
    @m_clem
    Sep 26, 2015
    Schopenhauer, on not reading