This paper shows that inventors with an early patenting success have a higher inventive productivity during their … received for the first patent. The higher career productivity seems to be a consequence of higher individual ability rather … than cumulative advantage. Inventors with high productivity early in their career cannot increase their productivity …

income tax cut, we find that: (i) labor productivity increases; (ii) entry increases with delay; (iii) exit increases; (iv … with idiosyncratic firm productivity, and entry and exit. Our model features productivity gains due to selection and …