Colt family values -- The education of Samuel Colt -- Samuel Colt : from industry to American empire -- The Slaters of England and New England -- John Fox and Horatio Nelson Slater : paternalism, philanthropy, and the disciplinary society -- Amos and Abbott Lawrence : philanthropy and politics...

A narrative history of the Silicon Valley generation that launched five major high-tech industries in seven years details the specific contributions of seven technical pioneers and how they established the foundation for today's tech-driven world.

We analyze whether start-up rates in different industries systematically change with business cycle variables. Using a unique data set at the industry level, we mostly find correlations that are consistent with counter-cyclical influences of the business cycle on entries in both innovative and...