Covid 19 coronavirus: Australia's lockdowns costing more than $1b a week

The Sydney Harbour Bridge stands across from the closed Sydney Opera House in Sydney, Australia. Photo / Brendon Thorne, Bloomberg via Getty Images

Australia's unravelling "zero Covid" strategy will cost its economy more than $1 billion every week of lockdown as analysts warn restrictions in some of its most populous states could last until October.

Forecasters warned that renewed lockdowns and the glacial pace of its vaccination programme will trigger a sharp drop in GDP in the third quarter as Delta cases threaten to explode.

Economists at UBS said the current lockdown in New South Wales and its capital, Sydney, will cause a $1.05 billion hit a week and cost the Australian economy a cumulative $26.2b.

If the most populous state is in lockdown for all of the third quarter and restrictions are imposed elsewhere, national GDP would fall by 2.5 per cent compared with the previous three months, the bank warned. Such a decline would not be as damaging as the record 7 per cent slump suffered in the second quarter of 2020 but would still be far larger than pre-Covid contractions.

A couple wearing face masks sit on a bench overlooking Bondi Beach after restrictions for Greater Sydney were extended. Photo / James D. Morgan, Getty Images

Australia has been held up as a success story during the pandemic, but countries that pursued a "zero Covid" approach are now struggling to contain the fast-spreading Delta variant. An outbreak in China is also threatening its zero tolerance stance as the UK, US and Europe are forced to learn to "live with Covid".

George Tharenou, a UBS economist, warned the "looming very large economic cost of the lockdown is already evident" in recent retail sales and payrolls data. He estimated that up to $1.6b of government support every week will be needed to prop up the economy.

Tharenou added: "A third Covid-19 wave in Australia, especially in New South Wales, materially increases uncertainty of the economic outlook, with hard lockdowns by state governments each time cases appear."

A deserted street in the central business district of Sydney, Australia. Photo / Brendon Thorne, Bloomberg via Getty Images

Scott Morrison's government has been lambasted for a botched vaccine campaign that has left Australia's jab rate lagging well behind other advanced economies.

He acknowledged on Monday that voters were "angry" as his approval rating dives, but warned there "can be no shortcuts".

The prime minister has suggested that 70 per cent of adults will need to be fully vaccinated to move to "phase B" where Covid restrictions are eased. Only 18 per cent, or 4.6m people, have had both jabs.

Just 36% of staff in aged care are fully vaccinated.

Just 44% of residents in disability care are fully vaccinated.

Scott Morrison said they would all be vaccinated by Easter. He has failed them.

— Anthony Albanese (@AlboMP) August 9, 2021

Despite a recent pick-up in jab numbers, Tharenou cautioned that "the 'magic number' for re-opening still can't be reached before October".

"We also expect a longer tail of restrictions compared with after previous lockdowns, and subsequently a slower rebound in mobility and economic activity."