G2TT
来源类型Discussion paper
规范类型论文
来源IDDP15282
DP15282 Debt Sustainability in a Low Interest Rate World
Dmitriy Sergeyev; Neil Mehrotra
发表日期2020-09-11
出版年2020
语种英语
摘要Conditions of secular stagnation—low output growth g and low interest rates r—have counteracting effects on the cost of servicing public debt, r − g. Using data for ad- vanced economies, we document that r is often less than g, but r − g exhibits substan- tial variability over the medium-term. We build a continuous-time model in which the debt-to-GDP ratio is stochastic and r < g on average. We analytically characterize the distribution of the debt-to-GDP ratio, showing how two candidate explanations for low interest rates, slower trend growth and higher output risk, can lower the debt- to-GDP ratio. When the primary surplus is bounded above, we characterize a fiscal limit, above which default occurs, and a debt tipping point, above which the pub- lic debt is on an unsustainable path, but default does not occur immediately. Slower trend growth and higher output risk can paradoxically improve debt sustainability. A conservative calibration suggests a fiscal limit for the US of 184 percent of GDP and a tipping point of 115 percent of GDP.
主题Monetary Economics and Fluctuations
关键词Secular stagnation Public debt Debt sustainability Low interest rates Government default
URLhttps://cepr.org/publications/dp15282
来源智库Centre for Economic Policy Research (United Kingdom)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/544258
推荐引用方式
GB/T 7714
Dmitriy Sergeyev,Neil Mehrotra. DP15282 Debt Sustainability in a Low Interest Rate World. 2020.
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