Monique Bertrand ? From Access to Housing to the Relation Between Home and the Workplace : Issues of Social and Spatial Mobility in the Greater Accra region (Ghana) The relation between home and the workplace is constrained by the importance of the informal employment and the lack of...

We show in a game-theoretic model that when quantity-setting firms first choose whether to discriminate or not and then set quantities, the unique equilibrium consists in all firms selling a uniform quantity to all consumers. This sharply contrasts with the case of price-setting firms.