The same people who understand that it's a Bad Thing if they mess up the economy so the banks can't lend any money and nobody is investing in anything, and then merry go round stops... will scoff and dissemble when encountered by this kind of study. 

But this kind of "jump start" is less expensive, and probably more grounded in "sound economic reasoning" than your average bail out. 

https://www.pnas.org/doi/10.1073/pnas.2222103120

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