In a CEPR discussion paper, Andreas Fuster, Tan Schelling, and Pascal Towbin analyze how banks respond to changes in the threshold level above which reserves held at the central bank are charged negative interest: … exploiting an unexpected decision by the Swiss National Bank in September 2019 to change the threshold calculation without taking any other policy actions. This change led to a large increase in overall exemptions, but with variation across banks. Using a...
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