The pass-through of the October 1 GST increase to inflation appears muted so far, but on-going inflationary effects would present a challenge for monetary policy, Reserve Bank of New Zealand governor Alan Bollard said in the Bank's 2010 annual report.
It was critical that businesses and labour groups did not try to use the GST rise as a veil to increase margins and remuneration, Bollard said.
"This means restraint by the electricity sector, other utilities, local government, and others who have a record of using strong market positions to push up prices," he said.
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