And also, I suspect, because their studies crossed disciplinary divides, having the effect of bringing economics closer to real life.
I've thought frequently that the insight of game theorists that, to keep people playing by the rules, carrots are better than sticks but you can't abandon sticks, is one of the great revelations of human nature and explains much of the world.
MG
whose insight was that? and does one really need (formal) game theory to get there...
I can't remember. I've a feeling it was in something Guy posted here a while back.
I think you do need a theory in this case, or all you've got are your own observations and a load of contrary opinions from interested parties such as religions.
MG