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Report
A Monetary-Fiscal Theory of Sudden Inflations
This paper posits an information channel as the explanation for sudden inflations. Consumers saving via nominal government bonds face a choice whether to acquire costly information about future government surpluses. They trade off the cost of acquiring information about the surpluses that back bond repayment against the benefit of a more informed saving decision. Through the information channel, small changes in the economic environment can trigger large responses in consumers' behavior and prices. This setting explains why there can be long stretches of time during which government surpluses ...
Working Paper
A Monetary-Fiscal Theory of Sudden Inflations and Currency Crises
Treating nominal government bonds like other bonds leads to a new theory of sudden inflations and currency crises. Holmstrom (2015) and Gorton (2017) describe bonds as having costly-to-investigate opaque backing that consumers believe is sufficient for repayment. Government bonds' nominal return is their face value, their real return is determined by the government's surplus. In normal times, consumers are confident of repayment but ignorant of the true surpluses that will fund that repayment. When consumers' belief in real repayment wavers, they investigate surpluses. If consumers learn ...