AbstractThe rationale behind state support for, and obedience to, normative rules and obligations has long been a topic of international law scholarship discourse. What has yet to be fully established, however, is why virtually all states have agreed to adhere to a seemingly novel global paradigm with ambitious yet non-binding objectives – the United Nations 2030 Sustainable Development Goals (SDGs). This article identifies six factors as contributing to the influencing power of the SDGs – namely, the role of law, particularly inter- and transnational law, the legitimacy of the framework, the notion of reciprocity, reputational concerns, national self-interest, and the moral duty to address the shared global challenges of sustainable development.By exploring their strengths and limitations through several theoretical frameworks (including Harold Koh's theory of transnational legal processes, Thomas Franck's theory of legitimacy, and Ryan Goodman and Derek Jinks’ three mechanisms of social influence), this article argues that the combination of these factors motivates voluntary state commitment, reporting, and cooperation under the SDG framework and that, overall, the SDGs offer a versatile lens to explore the different motives for state adherence to a soft law framework in the inter- and transnational legal spheres.
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