Economic change, while creating innovation and growth, at the same time generates "gales of creative destruction". It is still largely unclear what this concept implies for the task of assessing welfare (and, correspondingly, the need for and scope of policy-making) in a novelty-generating,...

Schumpeter's and Hayek's view of market coordination as being not about efficiency, but about endogenous change and never-ending discovery has been increasingly recognized even by the mainstream of economics. Underlying this view is the notion of creative learning agents who bring about novelty....