Multilevel Judicial Governance of International Trade Requires a Common Conception of Rule of Law and Justice

Since the establishment of the Permanent Court of InternationalJustice in 1922, governments have consented to, and activelyused, an ever larger number of international and transnationalcourts, quasi-judicial dispute settlement bodies and ad hocarbitral tribunals for the settlement of disputes over the interpretationand application of rules of international law. Such judicialclarification of disputed interpretations of incomplete, intergovernmentalagreements reduces not only the negotiation costs of governmentsby delegating the clarification of contested facts and legalclaims to independent third-party adjudication. Judicial decision-makingat intergovernmental, transnational, national and private levelsalso supplements rule-making and offers citizens judicial remediesfor defending their rights and interests. Modern internationaleconomic law increasingly complements intergovernmental, legislative,and administrative governance by multilevel ‘judicialgovernance’ so as to protect rule of law more effectivelyfor the benefit of citizens (Section I). This contribution criticizesthe one-sidedly power-oriented perceptions of WTO law as ‘internationallaw among states’ (Section II) and the related perceptionsof international judges as dependent agents of states (Section III).Civil society, parliaments and democratic governments shouldencourage national and international judges to cooperate intheir legal task of interpreting citizen-oriented internationaleconomic law ‘in conformity with principles of justiceand international law’, as explicitly prescribed in theVienna Convention on the Law of Treaties (VCLT). The legal coherenceof multilevel judicial governance depends on protecting principlesof procedural as well as substantive justice and a common conceptionof ‘rule of law’ not only in intergovernmental relationsamong states, but also vis-à-vis their citizens engagedin, and benefiting from, international trade (Sections IV–VIII).