There are enormous differences across firms and their impact on the macroeconomy. Using unique administrative data from Portugal, enabling us to link companies to their owners, we show that firms owned by serial entrepreneurs (owners of multiple businesses) enjoy a "premium" along many...

This paper examines how productivity effects of human capital and innovation vary at different points of the conditional productivity distribution. Our analysis draws upon two large unbalanced panels of 6,634 enterprises in Germany and 14,586 enterprises in the Netherlands over the period...