To help maintain price stability in New Zealand a countercyclical use of the goods and services tax (GST) has been proposed. This paper argues that a variable GST rate is unlikely to be a useful stabilisation tool for monetary policy. It first discusses some of the problems that would arise with the implementation of a variable GST rate. It then develops a stylised model of the New Zealand economy to assess the effects of using a variable GST rate as a monetary policy tool relative to the conventional instrument, an interest rate. The results show that a variable GST rate would be less effective in dampening business cycles than an interest rate. It would lead to larger adjustments in the policy instrument and fluctuations in the real economy and inflation. Moreover, a variable GST rate would produce greater welfare losses from monetary policy than an interest rate tool.
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Paper provided by Australian National University, Centre for Applied Macroeconomic Analysis in its series CAMA Working Papers with number
2008-30.
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Find related papers by JEL classification: E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
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