Proceedings of the National Academy of Sciences

2018 - 2026

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Volume 123, issue 33, 2026

Illegal firearms markets: Transaction patterns, evolving sources, and importance in criminal misuse pp. e2509754122

Philip J. Cook and Rosanna Smart

A budding science of illegal markets pp. e2511780123

Jonathan P. Caulkins

Stability and turbulence in illegal drug markets pp. e2512078123

Beau Kilmer

The money laundering market: An economic analysis pp. e2512080123

Joras Ferwerda

Casting light on the workings of illegal fishing markets pp. e2512081123

Philippe Le Billon, Zelda Ladefoged and U. Rashid Sumaila

Illegal markets for cigarettes and e-cigarettes pp. e2512084122

Donald Kenkel and Grace Phillips

The illegal market for sex in the United States: Insights from economic research pp. e2512375122

Manisha Shah

How illegal wildlife trade adheres to and defies conventional market behavior pp. e2525056123

Greg Midgette and Meredith L. Gore

Economic integration and upward mobility in Brazil pp. e2604542123

Radu Barza, Edward Glaeser, César A. Hidalgo and Martina Viarengo

Scientific production in the era of large language models: Outcome-triggered treatment timing and spurious event-study dynamics pp. e2618638123

Thomas Renault, Antonin Bergeaud and Clément Bosquet

Volume 123, issue 32, 2026

Oxytocin increases trust in men low in dispositional trust pp. e2602655123

Bodo Vogt, Paul Bengart, Carolyn Declerck and Ernst Fehr

Early-life sugar restriction causally reduces adult cancer incidence and slows biological aging pp. e2610287123

Chen Zhu and Weilong Zhang

Economic preferences predict higher-education choices pp. e2610891123

Thomas F. Epper, Ernst Fehr, Kristoffer B. Hvidberg, Claus T. Kreiner, Søren Leth-Petersen and Basit Zafar

Volume 123, issue 31, 2026

Social dynamics of AI adoption in parents’ educational decisions pp. e2533193123

Leonardo Bursztyn, Alex Imas, Rafael Jiménez-Durán, Aaron Leonard and Christopher Roth

Volume 123, issue 30, 2026

The backfiring effect of weak AI safety regulation pp. e2509768123

Benjamin Laufer, Jon Kleinberg and Hoda Heidari

Gender pay gaps in the social sciences pp. e2524119123

Ayelet Gneezy, Uri Gneezy, Joshua Graff Zivin, Gaurav Khanna, Elizabeth Lyons and Marta Serra-Garcia

Volume 123, issue 29, 2026

Productivity gains and work conditions in coercive labor markets: Experimental evidence from the Bangladesh brick sector pp. e2528388123

Grant Miller, Debashish Biswas, Aprajit Mahajan, Kimberly Singer Babiarz, Nina Brooks, Jessie Brunner, Sania Ashraf, Jack Shane, Alvise Scarabosio, Sameer Maithel, Shoeb Ahmed, Moogdho Mahzab, Mohammad Rofi Uddin, Mahbubur Rahman and Stephen P. Luby

Technical sophistication is not evidence pp. e2614011123

T. Anthony Sun

Reply to Sun: Behavior affects epidemic outcomes pp. e2618282123

Simon K. Schnyder, Mark P. Lynch, John J. Molina, Ryoichi Yamamoto and Matthew S. Turner

Volume 123, issue 28, 2026

The role of nonfinancial factors in the Congressional Budget Office’s health insurance coverage projections pp. e2525991123

Nianyi Hong and Ben Hopkins

Payment integrity in government programs: Takeaways from incorporating the behavioral sciences in US federal evaluations pp. e2525993123

Maya Duru, Hanna Hoover, Heather Barry Kappes, David Schwegman, Brigitte Seim, Mattie Toma and Mary Clair Turner

Applied behavioral and decision sciences in support of US FDA’s drug regulatory mission pp. e2525995123

Sara L. Eggers, Tamar Krishnamurti and Baruch Fischhoff

User interaction with digital platforms: A consumer protection perspective pp. e2525996123

Nellie Lew and Devesh R. Raval

Multiplexing in networks and diffusion pp. e2534923123

Arun G. Chandrasekhar, Vasu Chaudhary, Benjamin Golub and Matthew Jackson

Volume 123, issue 27, 2026

Debt as a blessing: A capital screening mechanism pp. e2602272123

Feng Dong, Thomas J. Sargent, Pengfei Wang and Yizhen Wang

Wind turbines do not appear to harm health, unlike fossil power plants pp. e2614642123

Maximilian Auffhammer

Volume 123, issue 26, 2026

Large cities lose their growth advantage as countries urbanize pp. e2529430123

Andrea Musso, Diego Rybski, Dirk Helbing and Frank Neffke

Volume 123, issue 25, 2026

Accounting for uncertainty and bias in archaeological and historical evidence on wealth inequality pp. e2514309123

Mattia Fochesato and Samuel Bowles

Volume 123, issue 23, 2026

Nondisclosure agreements and externalities from silence pp. e2533147123

Jason Sockin, Aaron Sojourner and Evan Starr

Mean field game model of the impact of reductions in support on faculty research activity pp. e2538029123

Robert A. Brown

Volume 123, issue 22, 2026

AI-assisted teams outperform AI-led teams but not human-only teams in assessing research reproducibility in quantitative social science pp. e2524747123

Abel Brodeur, David Valenta, Alexandru Marcoci, Juan P. Aparicio, Derek Mikola, Bruno Barbarioli, Rohan Alexander, Lachlan Deer, Tom Stafford, Lars Vilhuber, Gunther Bensch, Fabio Motoki, Mohamed Abdelhady, Yousra Abdelmoula, Ghina Abdul Baki, Tomás Aguirre, Sriraj Aiyer, Shumi Akhtar, Farida Akhtar, Melle R. Albada, Micah Altman, David Angenendt, Zahra Arjmandi Lari, Jorge Armando De León Tejada, David Rodriguez Arana, Igor Asanov, Anastasiya-Mariya Noha, Rebecca Ashong, Tobias Auer, Francisco J. Bahamonde-Birke, Bradley J. Baker, Söhnke Bartram, Dongqi Bao, Lucija Batinovic, Tommaso Batistoni, Monica Beeder, Louis-Philippe Beland, Carsten Gero Bienz, Christ Billy Aryanto, Cylcia Bolibaugh, Carl Bonander, Ramiro Bravo, Egor Bronnikov, Stephan Bruns, Nino Buliskeria, Sara Caicedo-Silva, Andrea Calef, Juan Sebastian Cano Arias, Gustavo A. Castillo Alvarez, Solomon Caulker, Simonas Cepenas, Arthur Chatton, Zirou Chen, Ngozi Chioma Ewurum, Anda-Bianca Ciocîrlan, Felix J. Clouth, Jason Collins, Nikolai Cook, Cesar Cornejo, João Craveiro, Jonathan Créchet, Jing Cui, Niveditha Chalil Vayalabron, Christian Czymara, Carlos Daniel Bermúdez Jaramillo, Hannes Datta, Lien Denoo, Arshia Dhaliwal, Nency Dhameja, Elodie Djemai, Erwan Dujeancourt, Uǧurcan Dündar, Thibaut Duprey, Yasmine Eissa, Youssef El Fassi, Ismail El Fassi, Keaton Ellis, Ali Elminejad, Mahmoud Elsherif, Aysil Emirmahmutoglu, Giulian Etingin-Frati, Emeka Eze, Jan Fabian Dollbaum, Jan Feld, Andres Felipe Rengifo Jaramillo, Guidon Fenig, Victoria Fernandes, Lenka Fiala, Lukas Fink, Mojtaba Firouzjaeiangalougah, Sara Fish, Jack Fitzgerald, Rachel Forshaw, Alexandre Fortier-Chouinard, Louis Fréget, Joris Frese, Jacopo Gabani, Sebastian Gallegos, Max C. Gamill, Attila Gáspár, Romain Gauriot, Evelina Gavrilova, Diogo Geraldes, Giulio Giacomo Cantone, Grant Gibson, Dirk Goldschmitt, Amélie Gourdon-Kanhukamwe, Andrea Gregor de Varda, Idaliya Grigoryeva, Alexi Gugushvili, Aaron H. A. Fletcher, Florian Habermann, Márton Hablicsek, Joanne Haddad, Jonathan D. Hall, Olle Hammar, Malek Hassouneh, Carina I. Hausladen, Sophie C. F. Hendrikse, Matthew Hepplewhite, Anson Ho, Senan Hogan-Hennessy, Elliot Howley, Gaoyang Huang, Héloïse Hulstaert, Zlatomira G. Ilchovska, Paola Jaimes Santamaria, Niklas Jakobsson, Joakim Jansson, Ewa Jarosz, Hossein Jebeli, Yanchen Jiang, Hiba Junaid, Rohan Kalluraya, Sunny Karim, Edmund Kelly, Eva Kimel, Sorravich Kingsuwankul, Valentin Klotzbücher, Daniel Krähmer, Pijus KrÅ«minas, Nicholas Kruus, Essi Kujansuu, Christoph F. Kurz, Stephan Küster, Blake Lee-Whiting, Felix Lewandowski, Tongzhe Li, Ruoxi Li, Dan Liu, Jiacheng Liu, Helix Lo, Katharina Loter, Felipe Macedo Dias, Christopher R. Madan, Nicolas Mä der, Marco Mandas, César Mantilla, Jan Marcus, Diego Marino Fages, Xavier Martin, Ryan McWay, Daniel Medina-Gaspar, Sisi Meng, Lingyu Meng, Simon Merz, Alex P. Miller, Thibault Mirabel, Dibya Deepta Mishra, Sumit Mishra, Belay W. Moges, Morteza Mohandes Mojarrad, Myra Mohnen, Louis-Philippe Morin, Lucija Muehlenbachs, Gastón Mullin, Andreea Musulan, Sara Muzzì, James A. C. Myers, Florian Neubauer, Tuan Nguyen, Ali Niazi, Ardyn Nordstrom, BartÅ‚omiej Nowak, Daneal O’Habib, Tim Ölkers, Justin Ong, Valeria Orozco Castiblanco, Ömer Özak, Ali Ozkes, Mikael Paaso, Shubham Pandey, Varvara Papazoglou, Romeo Penheiro, Linh Pham, Ulrike Phieler, Peter Pütz, Quan Qi, Jingyi Qiu, Manuel T. Rein, David A. Reinstein, Juuso Repo, Nicolas Rudolf, Shree Saha, Orkun Saka, Chiara Saponaro, Georg Sator, Martijn Schoenmakers, Raffaello Seri, Meet Shah, Paul Sibille, Christoph Siemroth, Vladimir Skavysh, Ben Slater, Wenting Song, Stefan Staubli, Tobias Steindl, Nomwendé Steven Waongo, Paul Stott, Stephenson Strobel, Roshini Sudhaharan, Pu Sun, Scott D. Swain, Oleksandr Talavera, Hanz M. Tantiangco, Georgy Tarasenko, Boyd Tarlinton, Mariam Tarraf, Ken Teoh, Rémi Thériault, Bethan Thompson, Tonghui Tian, Wenjie Tian, Emmanuel Tolani, Nicolai Borgen, Solveig Topstad Borgen, Javier Torralba, Carolina Velez-Ospina, Man Wai Mak, Lukas Wallrich, Zeyang Wang, Leah Ward, Matthew Webb, Duncan Webb, Bryan Weber, Christoph Weber, Wei-Chien Weng, Christian Westheide, Tom Wilkinson, Kwong-Yu Wong, Marcin WroÅ„ski, Zhuangchen Wu, Qixia Wu, Victor Y. Wu, Bohan Xiao, Feihong Xu, Cong Xu, Pranav Yadav, Yu Yang Chou, Luther Yap, Myra Yazbeck, Bo Yao, Zuzanna Zagrodzka, Tahreen Zahra, Mirela Zaneva, Xiaomeng Zhang, Ziwei Zhao, Han Zhong, Aras Zirgulis, Jiacheng Zou, Floris Zoutman and Christelle Zozoungbo

China’s one-child policy amplifies intergenerational inequality via enlarged differential fertility pp. e2525381123

Yewen Yu, Yi Fan and Junjian Yi

The cost of caring: Gendered health and labor market effects of grandparenthood pp. e2535409123

Maria Lyster Andersen, Rannveig Kaldager Hart, Hans Fredrik Sunde, Neil Martin Davies and Fartein Ask Torvik

Volume 123, issue 21, 2026

Wind turbine proximity and health: Longitudinal evidence from US households pp. e2525715123

Niklas Rott, Douglas Almond and Osea Giuntella

How rising ICE activity influences the childcare workforce pp. e2602686123

Erkmen G. Aslim, Janet Currie, Chris M. Herbst and Erdal Tekin

Volume 123, issue 20, 2026

Speed and quality of complex strategic decisions pp. e2531472123

Uwe Sunde, Dainis Zegners and Anthony Strittmatter

Volume 123, issue 19, 2026

Social media promotion improves job market outcomes pp. e2528289123

Jingyi Qiu, Yan Chen, Alain Cohn’s and Alvin E. Roth

Clinician behavior when skin tone affects test results pp. e2530585123

Marcella Alsan, Liran Einav, Amy Finkelstein and Jonathan Zhang

Can privacy technologies replace cookies? Ad revenue in a field experiment pp. e2603752123

Zhengrong Gu, Garrett A. Johnson and Shunto J. Kobayashi

Improving the job market in economics (and beyond…) pp. e2609971123

Peter Rousseau

Volume 123, issue 18, 2026

Deforestation-focused policies do not reduce degradation in the Brazilian Amazon pp. e2507793123

Federico Cammelli, Holly K. Gibbs, Florian Gollnow, Samuel A. Levy, Matthieu Stigler and Rachael Garrett

Behavioral responses to wildfire smoke: Insights from smartphone location data pp. e2527320123

Clara Berestycki and M. Keith Chen

Uncovering how transport access reduces deprivation: When colocation misleads pp. e2532730123

Surabhi Ojha, Anupriya Anupriya, Daniel Hörcher and Daniel J. Graham

Volume 123, issue 16, 2026

Weather forecasts become more important for reducing mortality as the climate warms pp. e2523372123

Jeffrey G. Shrader, Stephan Thies, Laura Bakkensen, Manuel Linsenmeier and Derek Lemoine

Volume 123, issue 15, 2026

Demystifying invasivorism as a management strategy pp. e2507779123

Francisco J. Oficialdegui, Sergio Bedmar, Antonín Kouba, Giovanni Vimercati, Ivo Roessink and Miguel Clavero

Volume 123, issue 13, 2026

The power of leadership in changing social norms in heterogeneous societies pp. e2526916123

Fabio Galeotti, Jona Krutaj and Marie Claire Villeval

How the 2025 NIH grant terminations varied by researchers’ demographic groups pp. e2527755123

Diego F. M. Oliveira, Qian Huang, Teresa K. Woodruff and Brian Uzzi

Volume 123, issue 12, 2026

When does higher credit lower forest area? Amazon contexts change credit’s impacts pp. e2516366123

Patricia G. C. Ruggiero, Paula Carvalho Pereda and Alexander Pfaff

Volume 123, issue 9, 2026

The theory of epidemics with altruism pp. e2518893123

Mark P. Lynch, Simon K. Schnyder, John J. Molina, Ryoichi Yamamoto and Matthew S. Turner

Volume 123, issue 8, 2026

Democratizing space: India’s frugal space innovation provides key lessons for emerging nations pp. e2514657123

Luisa Corrado, Soniya Gupta-Rawal, Paul Kattuman and Jaideep Prabhu

Volume 123, issue 7, 2026

What is the general Welfare: Welfare economic perspectives on equity pp. e2529376123

Charles F. Manski

Volume 123, issue 6, 2026

The racial and ethnic gap in behavioral measures rivals the gender gap in the United States pp. e2527671123

Aurélie Dariel, John C. Ham, Nikos Nikiforakis and Jan Stoop

Volume 123, issue 4, 2026

Optimization via the strategic law of large numbers pp. e2519845123

Xiaohong Chen, Zengjing Chen, Wayne Yuan Gao, Xiaodong Yan and Guodong Zhang

Volume 123, issue 1, 2026

Computer-assisted learning in the real world: How Khan Academy influences student math learning pp. e2507708123

Taryn Eames, Emma Brunskill, Bogdan Yamkovenko, Kodi Weatherholtz and Philip Oreopoulos