Official data will reveal how quickly pay packets expanded over the last quarter as minimum and award wage increases kicked in.
Ongoing talent shortages and the workplace umpire's call on minimum and award wages are tipped to show up in a stronger set of wage numbers for the third quarter.
The Australian Bureau of Statistics is scheduled to release the wage price index for the September quarter on Wednesday, which will make for essential reading by the Reserve Bank of Australia.
Wages have been responding to a tight labour market, though growth in the official index did undershoot expectations in the June quarter.
The wage price index rose 0.8 per cent in the June quarter and lifted 3.6 per cent annually.
Economists are expecting a bigger number in the September quarter, bolstered by the 5.75 per cent wage increase for around 2.7 million workers on a minimum wage, award or enterprise agreements tied to an award.
St George economist Jameson Coombs said the flow-through of the minimum and award wage decision was a known entity and that the evolution of wages elsewhere in the economy would be more noteworthy.
Wage growth for workers on individual arrangements was likely starting to cool - after experiencing bigger pay bumps earlier in the cycle - as the balance of supply and demand in the labour market improves, he said.
"The outcome for workers on individual arrangements and the dynamic of bonus and other incentive payments will be of critical interest to the RBA and could make or break their assessment of the inflation risks posed by a tight labour market," he wrote in a note.
The bank's economic team expects to see a 1.3 per cent lift in the wage price index in the three months to September, and a 3.9 per cent increase in annual terms.
ANZ is tipping 1.4 per cent quarterly growth, which would be the strongest quarterly rise in the series' 26-year history, and take annual growth to almost four per cent.
Despite the improvements in the wage price index over the past few quarters, shadow treasurer Angus Taylor said household disposable incomes had collapsed.
"We're at the back of the pack internationally," he told Sky News on Wednesday.
The federal government had failed to deliver the housing and infrastructure needed to sustain a fast-growing population, he said.
"And you can't have this kind of rate of population growth, whilst you also have, at the same time, policies that are inflationary."