{"id":65,"date":"2017-02-21T16:50:00","date_gmt":"2017-02-21T07:50:00","guid":{"rendered":"http:\/\/ecosos.isslab.org\/?page_id=65"},"modified":"2026-01-16T15:42:00","modified_gmt":"2026-01-16T06:42:00","slug":"publications","status":"publish","type":"page","link":"http:\/\/ecosos.isslab.org\/?page_id=65","title":{"rendered":"Publications"},"content":{"rendered":"\n<p><\/p>\n\n\n<h2>Publications of ECOSOS<\/h2>\n<p><strong>2026<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/doi.org\/10.3389\/frbhe.2025.169757\">Sasaki, T., Uchida, S., Okada, I., Yamamoto, H., &amp; Nakai, Y. (2026)<\/a>. Integrating upstream and downstream reciprocity stabilizes cooperator-defector coexistence in others-only public goods games. Frontiers in Behavioral Economics, 4(January), 1-10.<\/li>\n<\/ul>\n<p><strong>2025<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/doi.org\/10.1016\/j.ssaho.2025.101907\">Umetani, R., Yamamoto, H., &amp; Akiyama, E. (2025)<\/a> . Partner selection biases induced by resource inequality. <em>Social Sciences &amp; Humanities Open<\/em>, 12, 101907<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0329742\">Yamamoto, H., Okada, I., &amp; Suzuki, T. (2025)<\/a>. Gradual reputation dynamics evolve and sustain cooperation in indirect reciprocity. <em>PLoS One<\/em>, 20(8), e0329742<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1038\/s41598-025-14538-3\">Yamamoto, H., Okada, I., &amp; Suzuki, T. (2025)<\/a>. Tolerant integrated reciprocity sustains cooperation in a noisy environment. <em>Scientific Reports<\/em>, 15(1), 28912<\/li>\n<li>\n<div class=\"csl-entry\"><a href=\"https:\/\/doi.org\/10.1038\/s41598-025-87170-w\">Yamamoto, H., Suzuki, T. (2025)<\/a>. Exploring condition in which people accept AI over human judgements on justified defection. <em>Scientific Reports,<\/em> 15, 3339. doi:10.1038\/s41598-025-87170-w<\/div>\n<\/li>\n<\/ul>\n<p><strong>2024<\/strong><\/p>\n<ul>\n<li>\n<div class=\"csl-entry\"><a href=\"https:\/\/doi.org\/10.1038\/s41598-024-76168-5\">Yamamoto, H., Okada, I., Sasaki, T., &amp; Uchida, S. (2024)<\/a>. Clarifying social norms which have robustness against reputation costs and defector invasion in indirect reciprocity. <i>Scientific Reports<\/i>, <i>14<\/i>(1), 25073. doi: 10.1038\/s41598-024-76168-5<\/div>\n<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1038\/s41598-024-73353-4\">Yamamoto, H., &amp; Goto, A. (2024).<\/a> Behavioural strategies in simultaneous and alternating prisoner&#8217;s dilemma games with\/without voluntary participation. <em>Scientific Reports<\/em>, 14(1), 21890. doi:10.1038\/s41598-024-73353-4<\/li>\n<li><a href=\"https:\/\/doi.org\/10.3390\/g15030016\">Uchida, S., Sasaki, T., Yamamoto, H., &amp; Okada, I. (2024).<\/a> Evolution of &#8220;Pay-It-Forward&#8221; in the Presence of the Temptation to Free-Ride. <em>Games<\/em>, 15(3), 16. doi:10.3390\/g15030016<\/li>\n<li><a href=\"https:\/\/doi.org\/10.3390\/g15020015\">Sasaki, T., Uchida, S., Okada, I., &amp; Yamamoto, H. (2024).<\/a> The Evolution of Cooperation and Diversity under Integrated Indirect Reciprocity. <em>Games<\/em>, 15(2), 15. doi:10.3390\/g15020015<\/li>\n<\/ul>\n<p><strong>2023<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/doi.org\/10.14836\/jsi.16.1_17\">Yamamoto, H., Suzuki, T., Ogawa, Y. &amp; Umetani, R. (2023)<\/a>. The effects of psychological attitudes on voluntary cooperation against COVID-19: an analysis using a social dilemma framework. <em>Journal of Socio-Informatics<\/em>, 16(1) pp.17-31. doi: 10.14836\/jsi.16.1_17<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0288019\">Umetani, R., Yamamoto, H., Goto, A., Okada, I., &amp; Akiyama, E. (2023)<\/a>. Individuals reciprocate negative actions revealing negative upstream reciprocity. <em>PLOS ONE<\/em>, 18(7), e0288019. doi: 10.1371\/journal.pone.0288019<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1057\/s41599-023-01554-9\">Suzuki, T., Yamamoto, H., Ogawa, and Umetani, R. (2023)<\/a>. Effects of media on preventive behaviour during the COVID-19 pandemic. <em>Humanities and social sciences communications<\/em>, 10, 58. doi: 10.1057\/s41599-023-01554-9<\/li>\n<\/ul>\n<p><strong>2022<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.frontiersin.org\/articles\/10.3389\/fphy.2022.1019422\/full\">Yamamoto, H., Okada, I., Uchida, S., &amp; Sasaki, T. (2022).<\/a> Exploring norms indispensable for both emergence and maintenance of cooperation in indirect reciprocity. <em>Frontiers in Physics<\/em>, 10(September), 1-9. doi: 10.3389\/fphy.2022.1019422<\/li>\n<\/ul>\n<p><strong>2021<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/doi.org\/10.1371\/journal.pone.0249217\">Hackel, J., Yamamoto, H., Okada, I., Goto, A., &amp; Taudes, A. (2021).<\/a> Asymmetric effects of social and economic incentives on cooperation in real effort based public goods games. <em>PLOS ONE<\/em>, 16(4), e0249217. doi: 10.1371\/journal.pone.0249217<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1038\/s41598-021-86668-3\">Okada, I., Yamamoto, H., Akiyama, E., &amp; Toriumi, F. (2021).<\/a> Cooperation in spatial public good games depends on the locality effects of game, adaptation, and punishment. <em>Scientific Reports<\/em>, 11(1), 7642. doi: 10.1038\/s41598-021-86668-3<\/li>\n<\/ul>\n<p><strong>2020<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0235137\">Yamamoto, H., Suzuki, T., &amp; Umetani, R. (2020).<\/a> Justified defection is neither justified nor unjustified in indirect reciprocity. <em>PLOS ONE<\/em>, 15(6), e0235137. doi: 10.1371\/journal.pone.0235137<\/li>\n<li><a href=\"https:\/\/www.mdpi.com\/2073-4336\/11\/1\/13\">Okada, I., Yamamoto, H., &amp; Uchida, S. (2020).<\/a> Hybrid Assessment Scheme Based on the Stern-Judging Rule for Maintaining Cooperation under Indirect Reciprocity. <em>Games<\/em>, 11(1), 13. doi: 10.3390\/g11010013<\/li>\n<\/ul>\n<p><strong>2019<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/journals.aps.org\/pre\/abstract\/10.1103\/PhysRevE.100.032304\">Yamamoto, H., Okada, I., Taguchi, T., &amp; Muto, M. (2019)<\/a>. Effect of voluntary participation on an alternating and a simultaneous prisoner\u2019s dilemma. <em>Physical Review E<\/em>, 100(3), 032304. doi: 10.1103\/PhysRevE.100.032304<\/li>\n<li><a href=\"https:\/\/doi.org\/10.1007\/s42001-019-00049-5\">Toriumi, F., Yamamoto, H., &amp; Okada, I. (2019)<\/a>. A belief in rewards accelerates cooperation on consumer-generated media. <em>Journal of Computational Social Science<\/em>. doi: 10.1007\/s42001-019-00049-5<\/li>\n<li><a href=\"https:\/\/www.mdpi.com\/2073-4336\/10\/1\/11\">Uchida, S., Yamamoto, H., Okada, I., &amp; Sasaki, T. (2019)<\/a>. Evolution of Cooperation with Peer Punishment under Prospect Theory.<em> Games<\/em>, 10(1), 11. doi: 10.3390\/g10010011<\/li>\n<\/ul>\n<p><strong>2018<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41599-018-0203-8\">Yamamoto, H., &amp; Suzuki, T. (2018)<\/a>. Effects of beliefs about sanctions on promoting cooperation in a public goods game. <em>Palgrave Communications<\/em>, 4(1), 148. doi: doi.org\/10.1057\/s41599-018-0203-8<\/li>\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41598-018-33147-x\">Okada, I., Yamamoto, H., Sato, Y., Uchida, S., &amp; Sasaki, T. (2018)<\/a>. Experimental evidence of selective inattention in reputation-based cooperation. <em>Scientific Reports<\/em>, 8(1), 14813. doi: 10.1038\/s41598-018-33147-x<\/li>\n<li><a href=\"https:\/\/www.frontiersin.org\/articles\/10.3389\/fphy.2018.00014\/full\">Uchida, S., Yamamoto, H., Okada, I. &amp; Sasaki, T. (2018)<\/a>. A Theoretical Approach to Norm Ecosystems : Two Adaptive Architectures of Indirect Reciprocity Show Different Paths to the Evolution of Cooperation. <em>Frontiers in Physics<\/em> 6:14. doi: 10.3389\/fphy.2018.00014.<\/li>\n<\/ul>\n<p><strong>2017<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.nature.com\/articles\/s41598-017-09935-2\">Okada, I., Sasaki, T., &amp; Nakai, Y. (2017)<\/a>. Tolerant indirect reciprocity can boost social welfare through solidarity with unconditional cooperators in private monitoring. <em>Scientific Reports<\/em> 7:9737. doi: 10.1038\/s41598-017-09935-2.<\/li>\n<li><a href=\"https:\/\/www.nature.com\/articles\/srep44146\"> Yamamoto, H., Okada, I., Uchida, S., &amp; Sasaki, T. (2017).<\/a> A norm knockout method on indirect reciprocity to reveal indispensable norms. <em>Scientific Reports<\/em> 7:44146. doi: 10.1038\/srep44146.<\/li>\n<li><a href=\"http:\/\/www.nature.com\/articles\/srep41870\"> Sasaki, T., Okada, I., &amp; Nakai, Y. (2017).<\/a> The evolution of conditional moral assessment in indirect reciprocity. <em>Scientific Reports<\/em> 7, 41870. doi: 10.1038\/srep41870<\/li>\n<li><a href=\"http:\/\/www.mdpi.com\/2073-4336\/8\/1\/8\"> Sasaki, T., Yamamoto, H., Okada, I., &amp; Uchida, S. (2017).<\/a> The evolution of reputation-based cooperation in regular networks. <em>Games<\/em> 8(1), 8. doi: 10.3390\/g8010008<\/li>\n<\/ul>\n<p><strong>2016<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/jasss.soc.surrey.ac.uk\/19\/4\/6.html\"> Toriumi, F., Yamamoto, H., &amp; Okada, I. (2016).<\/a> Exploring an e\ufb00ective incentive system on a groupware. <em>Journal of Artificial Societies and Social Simulation<\/em> 19(4), 6. https:\/\/doi.org\/10.18564\/jasss.3166<\/li>\n<li><a href=\"http:\/\/rsbl.royalsocietypublishing.org\/content\/12\/7\/20160341\"> Sasaki, T., Okada, I., &amp; Nakai, Y. (2016).<\/a> Indirect reciprocity can overcome free-rider problems on costly moral assessment. <em>Biology Letters<\/em> 12(7), 20160341. doi: 10.1098\/rsbl.2016.0341<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Publications of ECOSOS 2026 Sasaki, T., Uchida, S., Okada, I., Yamamoto, H., &amp; Nakai, Y. (2026). Integrati &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/ecosos.isslab.org\/?page_id=65\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;Publications&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=\/wp\/v2\/pages\/65"}],"collection":[{"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=65"}],"version-history":[{"count":43,"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=\/wp\/v2\/pages\/65\/revisions"}],"predecessor-version":[{"id":413,"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=\/wp\/v2\/pages\/65\/revisions\/413"}],"wp:attachment":[{"href":"http:\/\/ecosos.isslab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}