Economists expect the RBA to leave the cash rate at 4.5 per cent this month but are less sure about when the next rate rise will happen.
Some expect a rate rise of between 25 and 50 basis points in the final three months of 2010.
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ICAP economist Adam Carr is predicting two 25 basis point hikes in the December quarter because of the risk of inflationary pressures.
The central bank board meets for its regular monthly meeting on Tuesday morning.

