Why would states that are self interested cooperate in international regimes?

The essay explores the significance of international regimes in the context of globalization, highlighting their increasing prevalence as noted by Little. It argues that these regimes facilitate daily interactions, from basic tasks like mailing letters to intricate economic exchanges. The analysis emphasizes that virtually every aspect of international relations is influenced by mutually accepted rules, underscoring the pervasive nature of these regimes in shaping state behavior and global interactions.