Why do employed persons in large firms earn more than employed persons in small firms, even after controlling for observable characteristics? Complementary to previous results, this paper proposes a mechanism that gives an answer to this question. In the model, individuals accumulate human...

This paper evaluates the importance of innovation spending for understanding Canada-U.S. firm size and productivity differences. A standard model of heterogenous producers, amended to include a channel for innovation, is calibrated to the U.S. to serve as a benchmark. Canadian specific features...