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How much debt is too much? Debt-growth dynamics in commodity-dependent and non-commodity-dependent developing economies

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  • Carrington, Sarah J.
  • Padilla, Leon
  • Herrera Pozo, Ronny Oswaldo

Abstract

This paper examines the debt-growth dynamics of commodity-exporting and non-commodity-exporting developing countries, examining whether public debt thresholds differ between these groups. We applied the dynamic panel data threshold effects model with endogenous regressors including both endogenous and exogenous instruments proposed by Kremer et al. (2013) and expanded by Seo and Shin (2016) and Seo et al. (2019). Using panel data for 46 countries from 1981 to 2019, the analysis identifies distinct debt thresholds for the two groups, revealing significant negative effects of debt on growth beyond 62.14% of GDP for commodity exporters over the period 1981–2000, and beyond 53.83% during 2001–2019. For non-exporters, a debt threshold has emerged only over recent decades and is identified at 67.96% of GDP, with low-to-moderate debt levels positively associated with growth. The results highlight the role of institutions, human and physical capital investment, and trade openness in mitigating the growth drag effects of debt, particularly concerning commodity exporters. These findings deepen our understanding of debt sustainability and growth in developing economies, emphasizing the unique vulnerabilities of resource-dependent countries.

Suggested Citation

  • Carrington, Sarah J. & Padilla, Leon & Herrera Pozo, Ronny Oswaldo, 2025. "How much debt is too much? Debt-growth dynamics in commodity-dependent and non-commodity-dependent developing economies," International Economics, Elsevier, vol. 182(C).
    • Handle: RePEc:eee:inteco:v:182:y:2025:i:c:s2110701725000204
    DOI: 10.1016/j.inteco.2025.100597
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    Keywords

    Public debt threshold; Commodity dependency; Developing countries; Institutions; Economic growth;
    All these keywords.

    JEL classification:

    • H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt
    • F49 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Other

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