Peer Pressure: How Relative Debt Drives Emerging Market Sovereign Spreads

IMF Working Papers, June 5, 2026

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Uses panel fixed effects for over 80 emerging and developing economies over 1993-2024 to assess how sovereign bond spreads respond to debt.
Main premise: sovereign spreads are shaped not only by absolute debt levels but also by a country’s relative debt position within its peer group, with benchmark groups defined especially by income and commodity status.

Relative debt—especially benchmarked by income and commodity status—has greater explanatory power for spreads than gross debt alone.
A one–standard-deviation increase in relative debt raises spreads by roughly 0.2–0.3 standard deviations, comparable in magnitude to global risk indicators.
A 10 percent increase in relative debt is associated with a 3.8 percent increase in sovereign spreads, all else equal.
The comparative nature of investor assessments implies that how a country’s debt compares to peers materially influences sovereign risk pricing.

The effect of relative debt is state-dependent and is stronger in:
- Countries with better institutions.
- Countries with access to concessional lending.
- Periods of low risk aversion and ample global liquidity.
Benchmarking by income and commodity status is particularly informative for investor assessments and spread determination.

Fiscal policy and debt management should account for not only absolute debt metrics but also relative positioning versus peers when assessing sovereign risk and financing costs.
International surveillance should incorporate relative-debt benchmarking to better capture investor perceptions and cross-country spillovers.
Access to concessional lending and institutional strengthening can mitigate the spread impact of relative-debt increases.

Results hold across alternative specifications, sample periods, methodologies, and controls, reinforcing the comparative interpretation.
Empirical approach: panel fixed effects over a wide cross-section and long time span (1993-2024) covering over 80 emerging and developing economies.

Source: IMF Working Paper by Carmen L Avila-Yiptong, Georges Hatcherian, and Mahamoud Islam (June 5, 2026).