There's also a very good book by Bill Janeway (of Wargburg Pincus notoriety) on the same subject called 'Doing Capitalism in the Innovation Economy: Reconfiguri

There's also a very good book by Bill Janeway (of Wargburg Pincus notoriety) on the same subject called 'Doing Capitalism in the Innovation Economy: Reconfiguring the Three-Player Game between Markets, Speculators and the State'. He argues the same point about the states roll in RnD (also explicitly calls out DARPA) and also their role in booms and busts.