Price rises in parts of Australia's economy remain difficult to contain as businesses struggle under the burden of excessive red tape, top economic officials warn.

Reserve Bank Governor Michele Bullock has used her appearance at a parliamentary inquiry to warn more work might be needed to tame inflation in the services sector.

"In Australia, like many countries overseas, services inflation does remain a little sticky," she told a parliamentary hearing in Canberra on Friday.

"It's being offset by slightly lower goods inflation, but services inflation is still up around three per cent."

The services economy, which includes areas such as education and health care along with professions like hairdressing, accounts for a large slice of economic activity.

Overall, inflation is at 2.8 per ce

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