2022-06-16-IMF-Sovereign_Debt_47页_1mb

Sovereign Debt Report Summary

Sovereign debt is a unique asset class due to the extraordinary power of the sovereign. It is relatively safe in advanced countries, backed by taxation, but risky in emerging markets because enforcement is difficult, particularly for foreign creditors. Breaches of trust, such as defaults, occur due to economic shocks or political turnover. The literature highlights that sovereign defaults are costly, raising borrowing costs and hurting economic performance, especially in countries with large banking sectors or higher external debt. Sovereign risk exacerbates business cycles by making real interest rates and output more volatile in emerging economies, contrasting with the smoother cycles in advanced countries where government spending is more countercyclical.

Policy strategies to mitigate sovereign risk include fiscal rules that anchor future borrowing, state-contingent debt like GDP-indexed bonds, and credible monetary policy through central bank independence. Fiscal rules can act as commitment devices to reduce excessive deficits, while state-contingent debt could reduce the frequency of defaults if better adopted. Independent monetary policy allows the issuance of local-currency debt, enhancing market liquidity and reducing the "original sin" problem.

The survey concludes that countries can "graduate" from procyclical to countercyclical fiscal policies, improving debt sustainability. Sovereign risk poses significant economic challenges, but policies like commitment devices and independent monetary frameworks can turn risky debt into sustainable financing, fostering better resource allocation and growth.