Sovereign Default and the Decline in Interest Rates
69 Pages Posted: 8 Sep 2020 Last revised: 6 Mar 2023
Date Written: March 5, 2023
Sovereign debt yields have declined dramatically over the last half-century. Standard explanations, including aging populations and increases in asset demand from abroad, encounter difficulties when confronted with the full range of evidence. We propose an explanation based on a decline in inflation and default risk, which we argue is more consistent with the long-run nature of the interest-rate decline. We show that a model with investment, inventory storage, and sovereign default captures the decline in interest rates, the stability of equity valuation ratios, and the recent reduction in investment and output growth coinciding with the binding zero lower bound.
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