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5572 Contributors, 82 Regular Contributors

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  1. Roberto Zagha

    1 Commentary

    Roberto Zagha is a former World Bank Country Director for India and Secretary of the Commission on Growth and Development.

  2. Carl Zimmer

    Writing for PS since 2001
    1 Commentary

    The author of Parasite Rex and writes regularly on evolution in the journal "Natural History."

  3. Richard Zeckhauser

    Richard Zeckhauser

    Writing for PS since 2001
    1 Commentary

    Professor of Political Economy at the John F. Kennedy School of Government.

  4. Anton Zeilinger

    Anton Zeilinger

    Writing for PS since 2001
    1 Commentary

    Professor of Experimental Physics at the University of Vienna, Austria, where he and his group are doing research in photonic entanglement and molecular optics to test the most fundamental issues in quantum physics.

  5. Jose Zalaquett

    Jose Zalaquett

    Writing for PS since 2002
    1 Commentary

    Human rights activist and Professor of International Law at the University of Chile.

  6. John Ziman

    Writing for PS since 2002
    1 Commentary

    Fellow of the Royal Society and Emeritus Professor of Physics at the University of Bristol.

  7. Ernesto Zedillo

    Ernesto Zedillo

    Writing for PS since 2003
    3 Commentaries

    Ernesto Zedillo is a former president of Mexico (1994-2000) and a member of the Global Commission on Drug Policy.

  8. G. P. Zachary

    G. P. Zachary

    Writing for PS since 2004
    11 Commentaries

    G. Pascal Zachary is the author of Married to Africa: a Love Story.

  9. Salomé Zourabichvili

    Writing for PS since 2006
    1 Commentary

    Salomé Zourabichvili is a former Minister of Foreign Affairs of Georgia, and the leader of one of Georgia’s opposition parties.

  10. Jonathan Zittrain

    Writing for PS since 2006
    1 Commentary

    Jonathan Zittrain is a Professor at Harvard Law School and co-founder of the Berkman Center for Internet and Society there. He is also a Professor at Oxford University's Oxford Internet Institute

  11. Paul J. Zak

    Paul J. Zak

    Writing for PS since 2006
    1 Commentary

    Paul J. Zak, a fellow at the Gruter Institute and director of Claremont Graduate University's Center for Neuroeconomics Studies, is editor of Moral Markets: The Critical Role of Values in the Economy.

  12. Phillip Zimbardo

    Phillip Zimbardo

    Writing for PS since 2008
    1 Commentary

    Philip Zimbardo is Emeritus Professor of Psychology at Stanford University. See www.lucifereffect.com

  13. Zeina Zaatari

    Writing for PS since 2008
    1 Commentary

    Zeina Zaatari is senior program officer for the Middle East and North Africa for the Global Fund for Women.

  14. Femke V. Zeijl

    Femke V. Zeijl

    Writing for PS since 2008
    1 Commentary

    Femke van Zeijl is a Dutch writer and journalist primarily working in Sub-Saharan Africa. Her most recent book Een nacht in een vijzel looks at women's lives in Mozambique, Sudan, Rwanda, Burundi, Uganda and the Democratic Republic of the Congo.

  15. Luigi Zingales

    Luigi Zingales

    Writing for PS since 2008
    28 Commentaries

    Luigi Zingales, Professor of Finance at the University of Chicago, is Co-Host of the podcast Capitalisn’t.

  1. chellaney175_ Kiyoshi Ota  PoolAnadolu Agency via Getty Images_QUAD Kiyoshi Ota / Pool/Anadolu Agency via Getty Images

    Is the Quad Becoming a Potemkin Alliance?

    Brahma Chellaney fears that US President Joe Biden’s conciliatory approach toward China is undermining Indo-Pacific security.
  2. goldberg29_Justin SullivanGetty Images_electricvehicles Justin Sullivan/Getty Images

    The High Costs of the New US Tariffs on Chinese EVs

    Pinelopi Koujianou Goldberg

    Every time one set of protectionist measures against China disappoints, the United States escalates its economic war in the hope that additional restrictions will prove more effective. Yet by slapping massive tariffs on Chinese electric vehicles, America has laid bare its own hypocrisy and economic vulnerabilities.

    laments the Biden administration's embrace of costly, futile efforts to outcompete low-cost rivals.
  3. ruto4_LUIS TATOAFP via Getty Images_kenyafloods Luis Tato/AFP via Getty Images

    How G7 Leaders Can Unlock Financing for Africa

    William Ruto

    With many African countries trapped in perpetual cycles of debt, financing investment in sustainable development has become increasingly difficult, if not impossible. The situation demands that wealthy countries step up and offer debt relief and cancellation, in addition to more concessional and long-term financing.

    urges wealthy countries to help bring the global financial system into line with the developing world's needs.
  4. delong200_Chip Somodevilla_Getty Images Chip Somodevilla/Getty Images

    The Threat of Trumpflation and a Fed War

    J. Bradford DeLong thinks monetary hawks should be more worried about the return of a populist demagogue to the White House.
  5. yi5_Kevin FrayerGetty Images_zero covid protest Chen Yihang/VCG via Getty Images

    Is China Too Old to Get Rich?

    Yi Fuxian explains why the country’s rising median age is at the root of its current malaise.
  6. bildt123_Shi KuanbingVCG via Getty Images_chinaEV Shi Kuanbing/VCG via Getty Images

    The Dangerous Retreat into Protectionism

    Carl Bildt warns that nothing good will come from a more deeply fragmented global economy.
  7. sonin5_Jakub PorzyckiNurPhoto via Getty Images_ukrainenato Jakub Porzycki/NurPhoto via Getty Images

    The Case for Ukraine’s NATO Accession

    Yuriy Gorodnichenko & Ilona Sologoub explain why giving in to the Kremlin’s nuclear blackmail could push the alliance into a death spiral.
  8. strain14_artificial intelligence drug development_ai Getty Images

    Don’t Believe the AI Hype

    Daron Acemoglu finds nothing to support widely cited assessments of the technology’s near-term potential.
  9. yu77_CFOTOFuture Publishing via Getty Images_china consumption CFOTO/Future Publishing via Getty Images

    What the China Pessimists Are Getting Wrong

    Yu Yongding rejects gloomy narratives about the economy’s prospects and proposes ways to revive growth.

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