Published in Proceedings of the National Academy of Sciences, 2026
A large cross-national study of collective action problems examining how private adaptation options can undermine public-solution dynamics.
Recommended citation: Malthouse, E., Pilgrim, C., Sgroi, D., Accerenzi, M., Alfonso, A., Ashraf, R. U., Baard, M., Banerjee, S., Belianin, A., Bhattacharjee, S., Bhattacharya, M., Branas-Garza, P., Cardenas, J., Carriquiry, M., Choi, S., Clochard, G., Denzon, E. E., Dessoulavy-Sliwinski, B., Dini, G., Dong, L., Ertl, A., Exadaktylos, F., Filiz-Ozbay, E., Flecke, S. L., Galeotti, F., Garcia-Munoz, T., Hanaki, N., Hollard, G., Horn, D., Huang, L., Iris, D., Kiss, H. J., Koch, J., Kovarik, J., Kwarteng, O. K. B., Lange, A., Leites, M., Leung, T. H., Lim, W., Morren, M., Nockur, L., Okyere, C. Y., Oudah, M., Ozkes, A. I., Page, L., Park, J., Pfattheicher, S., Proestakis, A., Ramos, C., Ramos-Sosa, M., Sanjaya, M. R., Schwaiger, R., Sene, O., Song, F., Spycher, S., Stanek, R., Tanchingco, N., Tavoni, A., te Velde, V., Vazquez-De Francisco, M. J., Visser, M., Wang, J. T., Wang, W., Weng, W., Werner, K., Wijayanti, A., Winkler, R., Wooders, J., Ying, L., Zhen, W., & Hills, T. (2026). The private solution trap in collective action problems across 34 nations. Proceedings of the National Academy of Sciences, 123(12), e2504632123.
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