Because positive spillovers give investment in innovation a social rate of return several times higher than its internal rate of return to innovators, innovation is chronically underfunded. Recurrent manias, panics and crashes in stock markets inundate "hot" new technologies with capital. To the...

Rosenstein-Rodan (1943) and others posit that rapid development requires a 'big push' -- the coordinated rapid growth of diverse complementary industries, and suggests a role for government in providing such coordination. We argue that Japan's zaibatsu, or pyramidal business groups, provided...