RBA Cash Rate Hike Sparks Debate Over Inflation Causes

The Reserve Bank of Australia (RBA) raised its cash rate by 25 basis points to 4.6%, the highest level since October 2011, due to concerns over inflation.

Treasurer Jim Chalmers attributed this decision to the war in the Middle East, while others blame excessive government spending. However, economist Saul Eslake argues that both factors have contributed to the rebound in inflation and interest rates.

The increase in oil prices from US$70 a barrel in June to over US$100 a barrel recently has had a significant impact on Australia's economy. Additionally, the 'crack spreads' between crude oil prices and refined petroleum products such as gasoline and diesel have remained elevated since the conflict began.

Eslake points out that the growth of aggregate demand has been driven by both public and private spending, while the growth in aggregate supply has been held down by Australia's poor productivity performance this decade. The RBA's decision to raise interest rates reflects the persistent imbalance between these two factors.