If you make better things, say a car that costs half of its predecessors then all else being equal you have halved your economic output. The reality is that we

If you make better things, say a car that costs half of its predecessors then all else being equal you have halved your economic output. The reality is that we use that efficiency to buy more so the price stays the same but cars are twice as big and we buy many more of them. https://en.wikipedia.org/wiki/Jevons_paradox https://en.wikipedia.org/wiki/Jevons_paradox