Understanding Knowledge-based Theories of International Cooperation

Why do states cooperate, even when narrow self-interest or raw power would push them apart? For decades, scholars answered this question by pointing to two things: the interests states calculate and the power they wield. But a third answer gained ground from the late 1980s onwards. It argued that what states know, what they believe, and how they understand who they are matter just as much as material gains. This is the world of knowledge-based theories of cooperation, also called cognitivism. These theories shift attention from “what do states want?” to “where do those wants come from in the first place?”

Where knowledge-based theories fit in 🔗

To understand cognitivism, it helps to see the larger debate it joined. The study of international regimes has long been organised around three broad schools of thought. Neoliberalism builds its analysis on constellations of interests, realism treats power relations among states as the central variable, and cognitivism emphasises the causal and social knowledge of actors. The first two are rationalist approaches. They assume that states are roughly like rational individuals who already know what they want and simply try to get it efficiently.

Cognitivism questions that starting point. Rationalist theories take the preferences and identities of states as fixed and given before any interaction begins. Knowledge-based theorists ask a deeper question: how are those preferences and identities formed? Their core claim is that the beliefs, norms, and shared understandings actors carry around with them actively shape what they treat as their interests. In this view, cooperation is not just a clever bargain between fixed parties; it can grow out of changing ideas about the problem itself.

What cognitivism actually claims 🔗

The label “knowledge-based” points to a specific argument. Material conditions like wealth, weapons, and geography do not speak for themselves. They have to be interpreted, and that interpretation depends on ideas. A river shared by two countries can be seen as a source of conflict or a basis for joint management, depending on how the actors frame the situation. Cognitivists argue that this framing is where much of the action in international politics actually happens.

The most influential way of dividing this school comes from the German scholars Andreas Hasenclever, Peter Mayer, and Volker Rittberger, who separated cognitivists into a “weak” and a “strong” version. Weak cognitivists argue that rationalist theories are incomplete because they ignore how causal and normative beliefs shape the way actors perceive problems and define their interests, while strong cognitivists challenge the whole idea that states can be treated as rational utility-maximisers. This is not a small difference of degree. It marks two genuinely distinct projects.

Weak cognitivism: ideas that guide rational actors 🔗

Weak cognitivism keeps one foot in the rationalist camp. It does not deny that states pursue interests. Instead, it asks where those interests come from and how new information can change them. In this view, ideas help actors reduce uncertainty and serve as a tool for learning, so a regime may emerge when a particular idea gains prominence. The classic illustration is economic governance after the Second World War: the post-war Bretton Woods arrangements can be read as lessons drawn from the economic collapse of the 1930s, where shared conclusions about what had gone wrong shaped new rules.

The role of epistemic communities 🔗

The most famous concept to come out of weak cognitivism is the epistemic community, developed by Peter M. Haas. The idea responds to a real problem facing modern governments. When decision-makers face issues that are highly technical and uncertain, such as climate change, ozone depletion, or financial regulation, they often do not know what their interests are until experts help them work it out. Networks of knowledge-based experts help states articulate cause-and-effect relationships, identify their interests, frame issues for debate, and pinpoint where negotiation can begin.

An epistemic community is not just any group of specialists. Its members share technical knowledge, but also common normative principles, shared causal beliefs, and a common idea of what counts as valid evidence. Because of their recognised expertise, such communities can spread norms and shape the policies states eventually adopt. International environmental agreements are a frequent example, where scientists across borders converge on a diagnosis and that consensus quietly steers governments towards coordinated action. For students of human security, this matters because so many threats, from pandemics to environmental degradation, are exactly the kind of complex problems where expert framing drives policy.

Learning under uncertainty 🔗

Weak cognitivism therefore treats learning as central. States are not frozen in their views. As new evidence accumulates and as experts reinterpret problems, governments can revise their understanding of what is at stake. This explains a puzzle that pure interest-based theories struggle with: why cooperation sometimes appears on issues where states previously saw no shared interest at all. The interest did not always exist; it was constructed as understanding evolved.

Strong cognitivism: identities and social construction 🔗

Strong cognitivism goes much further. It does not simply add ideas to a rationalist model; it rejects the model’s foundations. Strong cognitivists argue that the international system is fundamentally social, and they reject the rationalist assumption that gives actors priority over rules, instead seeing identities, norms, and self-interest as products of social structure rather than fixed starting points. In this account, self-interest loses much of its power as an explanation, because interests themselves are socially produced.

Constructivism and the work of Wendt 🔗

The best-known expression of strong cognitivism is constructivism, associated above all with Alexander Wendt. For constructivists, power, norms, interests, and even identity are not immutable facts that mechanically determine behaviour; they are partly shaped by behaviour itself, so states can learn to cooperate and develop a more other-regarding sense of who they are. Wendt famously argued that anarchy, the absence of a world government, does not automatically force states into competition. What states make of anarchy depends on the shared understandings they build through interaction.

This is why the same material fact can mean different things. A handful of nuclear weapons held by a friendly state feels far less threatening than the same weapons held by an adversary, because the meaning comes from the relationship, not the metal. Wendt argued that the structures of international life are determined primarily by shared ideas rather than material forces, and he distinguished several types of identity, including corporate, type, role, and collective identity. Cooperation, on this view, can deepen as states come to see themselves as part of a shared community rather than as isolated rivals.

The four sources of cooperative behaviour 🔗

Knowledge-based theories, especially the strong version, highlight four forces that rationalist accounts tend to overlook. Each shows how knowledge and social context shape what states do.

Legitimacy. States often follow rules not because of fear or immediate gain, but because they regard those rules as rightful. A norm seen as legitimate exerts a pull of its own, encouraging compliance even when cheating would pay in the short run.

Arguments and communication. Strong cognitivists take seriously the idea that states genuinely persuade one another. Negotiation is not only bargaining where each side hides its cards; it can also be a process of reasoning where actors are convinced to change their positions. The way meanings are formed and reformed through communication becomes a real engine of cooperation.

Identity. Who a state believes it is shapes how it acts. A country that defines itself as a responsible member of the international community will behave differently from one that defines itself as a permanent outsider, even in identical material circumstances.

History. Past structures and shared experiences carry weight. Established institutions and remembered events constrain present choices, giving cooperation a continuity that cannot be explained by a fresh cost-benefit calculation each time.

Why these theories matter 🔗

Knowledge-based theories are not only an academic refinement. They offer a more realistic picture of cooperation on the issues that dominate contemporary politics. Rational-choice approaches to cooperation usually take preferences over outcomes as given, which works reasonably well for straightforward bargaining. But on problems like climate change, public health, and the management of shared resources, the harder question is often how actors come to define the problem and themselves in the first place. That is precisely the territory cognitivism claims.

For anyone studying global responses to shared threats, the lesson is that ideas, expert knowledge, legitimacy, and identity are not soft extras layered on top of “real” interests. They help create those interests. Cooperation, then, is partly a story about how shared knowledge and social meaning are built between states over time.

What do you think? If a state’s interests are shaped by shared ideas rather than fixed in advance, how much can persuasion and expert knowledge realistically change foreign policy on a high-stakes issue? And when weak and strong cognitivism disagree about whether states are rational actors at all, which account do you find more convincing for explaining cooperation on global challenges?

References

1. https://library.fes.de/libalt/journals/swetsfulltext/7890295.pdf
2. https://www.e-ir.info/2008/04/26/considering-cognitivism%E2%80%99s-contribution-possibilities-for-constructive-cooperation-between-rationalist-and-cognitivist-theorists-of-international-regimes/
3. https://www.beyondintractability.org/essay/international_regimes
4. https://www.cambridge.org/core/journals/international-organization/article/abs/introduction-epistemic-communities-and-international-policy-coordination/CE9CFC049E0F2A14635F1E3EB51960C9
5. https://www.britannica.com/biography/Alexander-Wendt
6. https://www.e-ir.info/2020/05/19/a-brief-overview-of-alexander-wendts-constructivism/
7. https://oxfordre.com/internationalstudies/display/10.1093/acrefore/9780190846626.001.0001/acrefore-9780190846626-e-93