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Falling productivity is killing Albanese's election promise of higher wages

Weekend customers at the BP service station in Double Bay were showing no apparent signs of pain, despite paying $2.53 for a litre of premium unleaded petrol.

Some 40km to the west, however, in the badlands beyond the M5 tunnel, the fuel queue at Costco in Casula stretched out of the forecourt and back to the roundabout. A 15-minute wait seemed a small p…