Stagflation
When growth dies but prices keep climbing
- Define stagflation and explain why it's a central-bank nightmare
- Identify the data signature of an emerging stagflationary regime
- Read FX implications when stagflation fears rise
In the 1970s, the rulebook broke. Growth stalled but inflation kept rising. CBs hiked into recession and watched unemployment soar. The currencies that survived best were the ones whose CBs took the pain *early*. The lesson still holds.
Stagflation in one sentence
Stagflation = stagnant or contracting growth + persistent inflation. Classic causes: large supply shock (oil), or accumulated mistakes from too-loose policy + too-late tightening. Modern triggers: war, sanctions, supply-chain breakage.
Why it's a CB nightmare
The textbook playbook: hot economy → hike rates. Cold economy → cut rates. Stagflation breaks the playbook — you'd have to hike to fight inflation AND cut to fight recession at the same time. CBs end up *choosing* which mistake to make, and politically defending it.
Hikes aggressively, accepts deeper recession. Currency rallies medium-term as credibility holds. Volcker Fed 1979-82 textbook case.
Cuts to support growth, lets inflation run. Currency collapses as real yields go deeply negative. Turkey 2021. Devastates purchasing power.
UK CPI +6.5%, GDP -0.2%, unemployment rising. The BoE that hikes aggressively will likely see GBP do what medium-term?
- Stagflation = stagnation + inflation simultaneously
- Breaks the standard CB playbook — choose your poison
- CBs that fight inflation first protect their currency
- CBs that print to support growth lose their currency
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