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<url><loc>https://comdig.cssociety.org/2026/04/29/probabilistic-punishment-proportional-to-the-payoff-difference-solves-the-problem-of-antisocial-punishment/</loc><news:news><news:publication><news:name>Complexity Digest</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-29T15:04:39+00:00</news:publication_date><news:title>Probabilistic punishment proportional to the payoff difference solves the problem of antisocial punishment</news:title></news:news></url><url><loc>https://comdig.cssociety.org/2026/04/29/tipping-out-of-trouble-how-societies-transformed-and-how-we-can-do-so-again-by-marten-scheffer/</loc><news:news><news:publication><news:name>Complexity Digest</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-29T14:29:21+00:00</news:publication_date><news:title>Tipping Out of Trouble: How Societies Transformed and How We Can Do So Again, by Marten Scheffer</news:title></news:news></url></urlset>