It's imperative that the government or some superior structure (preferably decentralised) that doesn't exist yet enforces this improvement of economical performance tracking.
Success stories include food production, household goods, and many kinds of media.
Failures include addictive drugs, gambling, global warming, and healthcare.
As a civilization we’re crushing it on problems solvable by capitalism. The solution to other problems is not new ways of measuring things to make them fungible (sounds like Wuffie). The solution is other forms of collective action and decision making, like functional governments and NGOs.
It's not that we shouldn't try to improve these things, but in my opinion your position is a forlorn hope that is destined to be disappointed.
The times when nations have worked better and more efficiently are times when there have been other sources of unity and a combined sense of national value which the modern world, and perhaps historical distance from the reckonings of the past (in particular world war 2) have been inexorably weakening.