Amoroso, Sara; Kort, Peter M.; Melenberg, Bertrand; … - 2010
specification of competition based on relative profits. Using a large Dutch firm-level panel database over the period 1989-2005, we … biases coming from imperfect competition on both labor and output markets, whereas Dobbelaere and Mairesse (2009) focus on …, consequently, the markups. Moreover, taking into account variable returns to scale and imperfect competition in the output market …