Inventions that are not made, like babies that are not born, are rarely missed. In the absence of new developments, old ones may seem very impressive for quite a long while.
The seminar in economic theory conducted by Hayek at the L.S.E. in the 1930s was attended, it came to seem, by all of the economists of my generation - Nicky Kaldor , Thomas Balogh, L. K. Jah, Paul Rosenstein-Rodan, the list could be indefinitely extended. The urge to participate (and correct Hayek) was ruthlessly competitive.
We can safely abandon the doctrine of the eighties, namely that the rich were not working because they had too little money, the poor because they had much.