Abstract

Asymmetries in balance of payments (BOP) statistics can affect the interpretation of cross-border economic relationships, the reliability of partner-country analyses, and the consistency of global aggregates. Mitigating these asymmetries is an ongoing challenge. From a BOP compiler's perspective, addressing asymmetries can be understood as a three-stage process: Identify, Explain, and Resolve.

The first stage - identifying asymmetries - requires timely and sufficiently detailed data suitable for bilateral comparison. Existing tools already provide important support for compilers in identifying large, persistent, or emerging discrepancies. These include Eurostat's asymmetry reports on international trade in services statistics, produced within its early warning system; the OECD's Asymmetry Explorer; and the IMF's tool for analysing asymmetries in bilateral direct investment positions. However, the availability of such systematic tools is uneven across BOP components and covered partner countries. The presentation will therefore argue for a strengthened role of international organisations in providing and maintaining comparison tools that cover BOP statistics more comprehensively across components and partner economies. Such tools should not only offer bilateral detail but also document concepts and coverage. Where feasible, they should provide access to several data vintages and facilitate comparisons based on aligned releases. This would help distinguish genuine developments from differences caused by asynchronous revisions.

The second stage - explaining asymmetries - depends fundamentally on bilateral cooperation. Compilers need to be able to exchange detailed results and discuss data sources, compilation methods, country allocation practices, revision policies, and the application of statistical standards transparently. Experience from international and regional cooperation, including asymmetry-resolution initiatives and expert groups addressing specific BOP components, illustrates the value of structured dialogue and facilitation by international organisations. Bilateral discussions may reveal differences in classification, geographical allocation, source data, estimation procedures, or adherence to methodological guidance. Multilateral analysis also has an important role where recurring patterns point to more general methodological or data-related issues.

The third stage - resolving asymmetries - is typically the most demanding stage. Full reconciliation may not be attainable where countries rely on different data sources, face different legal reporting frameworks, or apply legitimate but differing compilation approaches. Resolution work should consequently prioritise asymmetries that are material, persistent, analytically relevant, and actionable. The presentation will discuss practical lessons from participation in international asymmetry work and outline ways forward: reinforcing institutional support for compiler cooperation, improving comparison tools and their treatment of revisions, and using observed revision patterns to anticipate and better interpret future discrepancies.