"Many countries appear to have excessively stable big business sectors, in that higher rates of big business turnover have been correlated with faster economy growth. Public policies that stabilize big business sectors are sometimes justified as supportive of social objectives. We find no...

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...

"Economics and history both strive to understand causation: economics using instrumental variables econometrics and history by weighing the plausibility of alternative narratives. Instrumental variables can lose value with repeated use because of an econometric tragedy of the commons bias: each...