Firms and Labor Market Inequality: Evidence and Some Theory.
David Card, Ana Rute Cardoso, Patrick Kline
Journal of Labor Economics, vol. 36, 2018, p. S13-S70.

Bargaining, sorting and the gender wage gap: Quantifying the impact of firms on the relative pay of women
David Card, Ana Rute Cardoso, Patrick Kline
Quarterly Journal Of Economics, vol. 131, 2016, p. 633-686.