Welfare gains in a small open economy with a dual mandate for monetary policy

Vol: 
89/2021
Author name: 
Jacob P
Ozbilgin M
Year: 
2021
Month: 
October
Abstract: 

In March 2019, the Reserve Bank of New Zealand was entrusted with a new employment stabilisation objective, that complements its traditional price-stability mandate. Against this backdrop, we assess whether the central bank’s stronger emphasis on the stabilisation of employment, and more broadly, resource utilisation, enhances social welfare. We calibrate an open-economy growth model to New Zealand data. In a second order approximation of the model, we evaluate how lifetime household utility is affected by a wide range of simple and implementable monetary policy rules that target both inflation and resource utilisation. We find that additionally stabilising resource utilisation always improves social welfare at any given level of inflation stabilisation. However, the welfare gains from stabilising resource utilisation get milder as the central bank is increasingly sensitive to inflation.

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