Economists had expected no change in August from July, when economic output remained largely unchanged from the previous month, when the economy grew 0.3 per cent.
The federal agency says goods production fell 1.0 per cent in August as most major subsectors — led by oil and gas extraction and manufacturing — posted losses.
However, it says utilities increased in August.
Statistics Canada says the output of service industries was up 0.2 per cent in August, with gains in the public sector, wholesale trade and the finance and insurance sector.
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