We investigate the effect of a ban on third-degree price discrimination on the sustainability of collusion. We build a …-response symmetries so that profits in the static Nash equilibrium are higher if price discrimination is allowed. (ii) Best …-response asymmetries so that profits in the static Nash equilibrium are lower if price discrimination is allowed. In both cases, firms …

multiple networks to price differentiate consumers on both sides of the market. Competing network providers might operate … reservation value consumers on the other side. Firms can obtain positive profits in price competition. In these asymmetric …

monopoly model. Yet, it is worth wondering why the most cited paper on this issue is nowadays Spengler (1950) which contains …

We study price formation in the standard model of consumer search for differentiated products but allow for search cost … important but often neglected aspect of the price mechanism. Recognizing the role the equilibrium price plays in consumers …

crowds out local variety. Under local monopoly, local buyer surplus co-moves with external buyer surplus. Under local free … surplus is better provided by local monopoly. …

by a monopoly owned by the inventor. We show that philanthropy does not necessarily increase long-run growth and that it …

solution. Then we consider a monopoly. Market power affects both output and sugar content, possibly in opposite directions, and …

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals …

Demand for oil is very price inelastic. Facing such demand, an extractive cartel induces the highest price that does …