Melbourne Institute Working Paper Series Database (1984 - 2010)

Melbourne Institute Working Paper No. 04/2010

Bank and Official Interest Rates:How Do They Interact over Time?

by

G. C. Lim, Sarantis Tsiaplias and Chew Lian Chua

Date: April 2010

Abstract: This paper implements a procedure to evaluate time-varying bank interest rate adjustments over a sample period which includes changes in industry structure, market and credit conditions and varying episodes of monetary policy. The model draws attention to the pivotal role of official rates and provides estimates of the equilibrium policy rate. The misalignment of actual official rates and their changing sensitivity to banking conditions is identified. Results are also provided for the variation in intermediation margins and pass-throughs as well as the interactions between lending and borrowing behaviour over the years, including behaviour before, during and after the global financial crisis. The case studies are the US and Australian banking systems.

 

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