The International Monetary Fund has urged governments to protect the credibility of fiscal and monetary policy as countries confront a combination of geopolitical conflict, supply disruptions, elevated debt and rapid technological change.
Christian Mumssen, Director of the IMF’s Strategy, Policy and Review Department, said policymakers should preserve sound public finances and maintain a firm commitment to price stability, particularly when unexpected shocks push economies away from their intended course.
Speaking at the Atlantic Council on 15 July 2026, Mumssen warned that the global economy is undergoing several major transformations simultaneously. Although growth has remained relatively resilient, the interaction between war, trade fragmentation, digital finance, artificial intelligence and recurring supply shocks has created an unusually uncertain environment.
Key Overview
- The IMF is urging countries to maintain credible fiscal and monetary frameworks.
- Governments should preserve a firm commitment to price stability when shocks hit.
- Supply disruptions may create renewed inflation pressure even after earlier price increases subside.
- The IMF wants countries to strengthen scenario planning and economic resilience.
- Artificial intelligence should be managed so that productivity gains support inclusive growth.
- The Fund is reviewing its surveillance, lending, debt-sustainability and financial-risk frameworks.
Fiscal Credibility Must Survive Future Shocks
In his remarks at the Atlantic Council, Mumssen said credible medium-term fiscal frameworks become especially important when wars, supply disruptions or other shocks force governments to change course.
A government may need to provide temporary support during an emergency, but that response should remain consistent with a believable plan for stabilising debt and public finances over time. Without such a framework, investors and households may expect higher inflation, additional taxation or more expensive borrowing.
The IMF official’s message comes as governments face difficult trade-offs between supporting economic activity and preventing already-elevated debt burdens from becoming unsustainable. Higher interest costs have reduced the fiscal room available to many countries, while demands for spending on defence, climate resilience, infrastructure and social protection continue to rise.
Mumssen argued that policymakers should focus on sound public finances, manageable debt, employment and growth rather than responding only to the most immediate pressure. Preserving policy credibility can give governments greater flexibility when the next disruption occurs.
Price Stability Remains a Core Policy Anchor
The IMF also stressed that keeping prices stable must remain a central objective even as the sources of inflation change.
Recent inflation episodes were initially driven by pandemic disruptions, energy-price shocks and supply bottlenecks. Future pressure may increasingly come from geopolitical conflict, fragmented trade routes, climate-related events and repeated interruptions to critical goods.
According to reporting on the speech, Mumssen said frequent supply disruptions could continue to threaten price stability. This makes monetary-policy credibility particularly important because inflation expectations can influence wages, borrowing costs and business pricing decisions.
The IMF has previously warned that weakening central-bank independence could destabilise inflation expectations. Its policy position is that legal independence must also be reflected in practice, allowing monetary authorities to act without political interference when inflation risks rise.
Maintaining credibility does not require central banks to ignore growth or employment. It means the public and financial markets must remain confident that policymakers will respond consistently when inflation moves away from target.
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Governments Need Stronger Scenario Planning
Mumssen encouraged institutions to rely more heavily on scenarios rather than assuming that a single forecast will accurately describe the future.
Scenario planning allows governments to test how their budgets, financial systems and social programmes would perform under different combinations of energy shortages, trade restrictions, capital outflows or extreme weather. It can also identify policies that remain useful across several possible outcomes.
The IMF’s own outlook illustrates the challenge. It recently projected global growth of 3.0% in 2026, but acknowledged that prolonged disruption to energy supplies or worsening conflict could weaken that baseline.
Resilience therefore requires more than accumulating financial reserves. Countries may also need diversified supply chains, effective social-protection systems, credible emergency financing and stronger institutions capable of responding quickly.
AI and Digital Finance Create New Opportunities and Risks
Artificial intelligence and digital finance are advancing faster than many policymakers anticipated, creating new productivity opportunities alongside fresh regulatory and financial risks.
AI could improve business efficiency, public-service delivery and access to information. However, the gains may be uneven if workers, smaller firms and lower-income countries cannot access the technology or adapt their skills.
Mumssen said the rapid AI transformation should translate into inclusive growth. This will require investment in education, digital infrastructure and labour-market adjustment, alongside policies that address displacement and market concentration.
Digital finance and the expansion of non-bank financial institutions also create potential vulnerabilities outside traditional banking channels. Regulators may need better data, stronger cross-border cooperation and updated oversight tools to detect risks before they spread through the financial system.
IMF Reviews Its Role in a Fragmented World
The IMF is undertaking five major policy reviews as it adapts to the new environment. These include how it assesses national economies, structures lending programmes, evaluates debt sustainability in low-income countries and identifies risks in the financial sector.
The Fund is also reviewing its assessment of global trade and current-account imbalances. Mumssen said future lending programmes may require more contingency planning and fewer but deeper reforms tailored to the most important economic constraints.
Christian Mumssen, who was appointed to lead the department in October 2025, oversees the IMF unit responsible for institutional strategy, policy design and operational review.
His warning highlights a central contradiction in the current economy: global challenges increasingly require coordinated responses, yet international governance is becoming more fragmented. The IMF’s ability to remain effective will depend on whether member countries can cooperate while protecting the domestic credibility of their own policies.
Sources: International Monetary Fund / Reuters / Atlantic Council
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