Loyalty discounts are agreements to sell at a lower price to buyers who buy all or most of their purchases from the seller. This article proves that loyalty discounts can create anticompetitive effects, not only because they can impair rival efficiency, but also because loyalty discounts can...

Loyalty discounts are agreements to sell at a lower price to buyers who buy all or most of their purchases from the seller. This article proves that (assuming no efficiency justifications) loyalty discounts can create anticompetitive effects, not only because they can impair rival efficiency,...