Those Horrible Apps

While I wouldn't want this to be a general statement: platform-owned apps can be really terrible. Why? Because they don't permit level-playing field competition between their own apps and third party apps on their platform. And that lack of competition is costly; maybe even for the platforms themselves. Consider a first example: iTunes. iTunes is …

The Romer Model turns 25

25 years ago this month Paul Romer's paper, "Endogenous Technological Change" was published in the Journal of Political Economy. After over 20,000 citations, it is one of the most influential economics papers of that period. The short version of what that paper did was to provide a fully specified model whereby technological change (i.e., the …

Disrupting the Theory of Disruption

Last week, the Sloan Management Review published a study by Andy King and Baljir Baatartogtokh that re-examined the success record of Clay Christensen's theory of disruption. They took 77 claims/predictions of disruption and asked experts to evaluate whether what happened to those companies was consistent with the theory of disruptive innovation. They found scant support. …