The cost to life, combined with sick leave due to illness, long term sequelae of the disease, medical bills and vulnerable people choosing not to do the things

The cost to life, combined with sick leave due to illness, long term sequelae of the disease, medical bills and vulnerable people choosing not to do the things they did before, altogether means that the economy will be impacted lockdown or no lockdown. It's a matter of degree and depends what kind of lockdown we're talking about.