A Fiscal Theory of Persistent Inflation
We develop a new class of general equilibrium models with partially unfunded debt to propose a fiscal theory of persistent inflation. In response to business cycle shocks, the monetary authority controls inflation and the fiscal authority stabilizes debt. How- ever, the central bank accommodates unfunded fiscal shocks, causing persistent movements in inflation, output, and real interest rates. In an estimated quantitative model, fiscal inflation accounts for the bulk of inflation dynamics. In the aftermath of the pandemic, unfunded fiscal shocks sustain the recovery, but also cause a persistent increase in inflation. The model is able to predict the inflationary effects of the ARPA fiscal stimulus out of sample and with real time data.
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Copy CitationFrancesco Bianchi, Renato Faccini, and Leonardo Melosi, "A Fiscal Theory of Persistent Inflation," NBER Working Paper 30727 (2022), https://doi.org/10.3386/w30727.Download Citation
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Published Versions
Francesco Bianchi & Renato Faccini & Leonardo Melosi, 2023. "A Fiscal Theory of Persistent Inflation," The Quarterly Journal of Economics, vol 138(4), pages 2127-2179. citation courtesy of 
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