The article presents a model of technological opportunity, modeled as a resource that is exhaustible in the short run but renewable in the long run. The exploitation and regeneration of technological opportunity is the result of an interplay between intentional incremental and radical...

This article presents a model of knowledge, seen as a set of ideas defined in a multidimensional idea space. Knowledge is created through convex combinations of older ideas and through paradigm shifts. When normal science has made the knowledge set convex, scientific opportunity is exhausted....