Fox, Jeremy T.; Smeets, Valérie - 2011
"Firms in the same industry can differ in measured productivity by multiples of 3. Griliches (1957) suggests one … fixed effects. We show adding human capital variables and the wage bill decreases the ratio of the 90th to 10th productivity … quantiles from 3.27 to 2.68 across eight Danish manufacturing and service industries. The productivity dispersion decrease is …