Central Banks Diverge as Stagflation Pressures Build

As of recent weeks, disruption risks in the Strait of Hormuz are reshaping global macro conditions by pushing inflation higher while weakening growth across major economies. This dual shock is forcing policymakers into increasingly difficult trade-offs, where traditional tools lose effectiveness. The result is a fragmented policy landscape, with each central bank reacting based on its own constraints rather than a unified global approach. Markets are now recalibrating expectations as divergence becomes the defining feature of the current macro cycle.

Vincent Deluard, StoneX Director of Global Macro Strategy, has analyzed global monetary policy cycles across multiple inflation regimes. His work focuses on how supply shocks and structural imbalances create asymmetric policy responses across regions, giving him a distinct perspective on today’s stagflation dynamics.

Key Themes from the Discussion

• Supply shocks push inflation higher while weakening growth, creating a stagflation dilemma for central banks.
• Policy responses diverge as the U.S., Europe, and Japan face different constraints including inflation expectations, currency pressure, and growth risks.
• Central banks are defaulting to inaction, signaling potential tightening while waiting for clearer data on shock duration.

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Central Banks Delay Action as Stagflation Risks Intensify

Central banks are increasingly constrained as stagflation forces a trade-off between controlling inflation and supporting growth. Vincent Deluard highlights that “the problem with the supply shock is that it pushes prices higher, and at the same time it has a negative economic impact”, underscoring the conflicting signals policymakers face. Raising rates risks deepening an economic slowdown, while pausing risks would allow inflation to become entrenched. This dynamic is leading many central banks to delay decisive action, relying instead on forward guidance and optionality as uncertainty around the duration of the shock persists.

Global Central Banks Diverge on Inflation and Currency Pressures

Global central banks are responding differently to the same shock as domestic constraints reshape policy priorities. Vincent Deluard notes that “if you start to see expectations get unanchored, that would probably force the Fed to be a bit more hawkish”, highlighting the U.S. focus on inflation expectations. In contrast, the Bank of Japan is more sensitive to currency stability, particularly around key yen levels, while the European Central Bank faces growth downgrades due to energy dependence. As a result, policy divergence is widening, creating differentiated market outcomes across currencies, rates, and risk assets.

Frequently Asked Questions

Why are central banks struggling with supply shocks?

Supply shocks raise inflation while weakening growth, creating conflicting policy signals. Central banks must choose between tightening to control prices or pausing to support the economy, both of which carry risks.

What could force central banks to act?

A sustained rise in inflation expectations or sharper economic deterioration could push policymakers toward action. The duration of the shock remains the key factor shaping decisions.

Why are policy responses different across regions?

Each region faces different constraints, including currency pressures, inflation dynamics, and growth outlooks. These differences lead to diverging policy responses despite a common global shock.

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--- Written by Frédéric Guétin, StoneX TV Producer

--- Expert: Vincent Deluard, StoneX Director of Global Macro Strategy