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There's concern people will choose not to scan Covid-19 QR codes because they can't afford to go into self isolation.
More than 1000 people who were at Kmart Botany at the times of interest have been asked to stay home for 14 days.
Up to $585 per week is available for people who can't work because they need to isolate.
Auckland University's Des Gorman told Heather du Plessis-Allan he is disappointed the Government isn't willing to increase the payments.
He says compliance matters, and we have already see the cost non-compliance in this country.Â
"I don't think the Government's thinking clearly enough about the counterfactual, the cost of lockdowns.
"Whatever the cost of properly subsidising people is, it's going to be small against the cost of lockdowns."Â
However, Gorman also wants to see close or casual contacts more accountable for not complying.Â
He says that there needs to be some surrendering of privileges in order to protect the community.Â
"If you don't go and get tested in Sydney, you're not allowed back at school. Quite clearly, if you're not compliant, you shouldn't be allowed in the workplace.
"There has to be some degree of ostracisation."Â
Gorman says that ringing people constantly is not "serious enough" - and Taiwan, for example, did door knocks very early in the contact tracing process.Â
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