Report published September 28, 2026

The End of the Safety Net: Life Without the Macroeconomic Stabilisers – Deutsche Bank Thematic Research

Deutsche Bank · September 28, 2026

Deutsche Bank argues that the fiscal and monetary safety nets that cushioned business cycles since the late 1980s are now constrained by elevated debt loads, high sovereign yields, and persistent supply-driven inflation. Consequently, policymakers will face significant obstacles in stabilizing downturns, making higher macroeconomic volatility a lasting feature.

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Finvaulta summarizes Deutsche Bank's analysis. Attribute opinions, forecasts, time-sensitive values, and chronology to the issuer and report date; do not treat this page as an independent verification or a current market-data source.

Key Takeaways

1.For decades, markets and economies benefited from implicit monetary and fiscal safety nets that smoothed the business cycle and elevated asset valuations.
2.Policy stabilisers are now severely constrained by multi-year high sovereign yields, multi-decade high debt-to-GDP ratios, and persistent supply-driven inflation.
3.Absent a steep decline in sovereign yields or a collapse in inflation, policymakers will struggle to cushion future downturns, cementing higher macroeconomic volatility.

Report data

Figure 1: Length of US economic expansions (in months) from the starting point: The last 5 expansions all rank in the 7 longest

Metric	Estimate	Context
Rank of recent US economic expansion lengths	last 5 expansions all rank in the 7 longest rank	Figure showing the duration of US economic expansions in months, highlighting the role of macroeconomic stabilisers.
Sovereign yields	multi-year highs	Constraining factor on fiscal policy interventions
Debt-to-GDP ratios	highest in several decades	Limiting government ability to run fiscal deficits to counter downturns

Source: NBER, Deutsche Bank. This is a dated model snapshot, not a live forecast.