By Dan Kervick
Joshua Gans raises some doubts at Digitopogy.org about Mariana Mazzucato’s argument in Slate and New Scientist that it is time for the state to get something back for its investments. Gans’s brief argument isn’t very thorough, but he makes an interesting point. Let’s first establish the context. Mazzucato’s article recapitulates some of the central points from her book The Entrepreneurial State about the sizable role governments have played in driving innovation: