If the 800bn creates more than 800bn in (time-adjusted) future productivity, it pays for itself. If not, it was a bad investment.
Sure, but that is 800bn that could have been spent on more meaningful things. People would be more happy to redeem that by their work..
If the 800bn creates more than 800bn in (time-adjusted) future productivity, it pays for itself. If not, it was a bad investment.