This paper investigates the impact of wage dispersion on firm productivity in different working environments. More precisely, it examines the interaction with: i) the skills of the workforce, using a more appropriate indicator than the standard distinction between white- and blue collar workers,...

Using a merged employer-employee panel dataset of 13,000 firms for the 1999-2010 period, this paper aims to quantify wage discrimination against migrant workers based on their countries of birth, with workers' tenure and firm product market competition as moderator variables. To do so, we...