Maximum Sustainable Government Debt in the Overlapping Generations Model

Neil Rankin and Barbara Roffia

The Warwick Economics Research Paper Series (TWERPS) from University of Warwick, Department of Economics

Abstract: The theoretical determinants of maximum sustainable government debt are investigated using Diamond's overlapping-generations model. A level of debt is defined to be 'sustainable' f a steady state with non-degenerate values of economic variables exists. We show that a maximum sustainable level of debt almost always exists. Most interestingly, it normally occurs at a 'catastrophe' ather than a 'degeneracy' , i.e. where variables such as capital and consumption are in the interiors, rather than at the limits, of their economically meaningful ranges. This means that if debt is increased step by step, the economy may suddenly collapse without obvious warning.

Keywords: GOVERNMENT DEBT; OVERLAPPING GENERATIONS (search for similar items in EconPapers)
JEL-codes: E62 H63 (search for similar items in EconPapers)
Pages: 28 pages
Date: 1999
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Citations: View citations in EconPapers (1)

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https://warwick.ac.uk/fac/soc/economics/research/workingpapers/2008/plural.pdf

Related works:
Journal Article: Maximum Sustainable Government Debt in the Overlapping Generations Model (2003)
Working Paper: Maximum Sustainable Government Debt in the Overlapping Generations Model (1999)
Working Paper: Maximum Sustainable Government Debt in the Overlapping Generations Model (1999)
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Persistent link: https://EconPapers.repec.org/RePEc:wrk:warwec:521

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