International cooperation and contestation in the Trump era: How can countries exercise agency in a fragmenting order?

Andrew Sumner

No 5/2026, IDOS Discussion Papers from German Institute of Development and Sustainability (IDOS)

Abstract: Countries now act in an international cooperation architecture whose rules are disputed from several directions at once. One of those directions is the hegemon itself, the US. The paper argues that the Trump administration's disruption matters because it moves the largest actor from affirming to contesting across several arenas at once. That reshuffles the calculus for every country. This paper asks how countries can exercise agency when the international order itself is fragmenting. The paper surveys the bewildering array of concepts on state agency and proposes a schema built on two continua. The first is the medium or type of agency, meaning material/institutional versus ideational/discursive. The second is orientation to the prevailing order in a specific arena (not in general) as affirming versus contesting. Countries are not fixed in one position. Whether the same state contests the rules depends on its interests in a particular arena. Each potential position is available only to a country that can pay the arena's entry fee. The entry fee is the resources, broadly defined, a position demands before a country can take it up. The paper sets out the strategic positions available in a fragmenting system. It names a further position, norm imperialism, where material instruments are turned against an ideational object. The implications for different types of country are discussed.

Keywords: transnational governance; multilateral development policy; rising powers (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:diedps:344083

DOI: 10.23661/idp5.2026

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