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Australia’s Treasury forecasts higher inflation, bigger GDP hit from Iran war in new analysis

By Thomson Reuters Mar 18, 2026 | 1:12 AM

SYDNEY, March 18 (Reuters) – New analysis from Australia’s Treasury on Wednesday forecast higher inflation and ​a bigger economic hit from ‌the ongoing conflict in the Middle East, that has unleashed a global oil shock and driven up commodity ‌prices.

The ​Treasury considered two ⁠scenarios in its latest ⁠analysis that incorporated lower global growth and higher prices for LNG, coal and fertilisers, said Treasurer ​Jim Chalmers.

In a short-term scenario where oil prices stay ⁠at the current $100 ⁠a barrel for the first ​half of the year and gradually ​return to pre-conflict levels by ‌year-end, inflation will peak 0.75 percentage point higher and economic output will be 0.2% lower.

In a ⁠more prolonged scenario where oil prices reach $120 per barrel in the first half ⁠of the ‌year and then take ⁠three years to return ​to ‌pre-conflict levels, inflation would ​be 1.25 ⁠percentage points higher and the economy would take a longer term hit, with GDP 0.6% lower around 2027.

(Reporting by Stella QiuEditing by ​Alasdair Pal)