This paper investigates bundle pricing under imperfect competition. In a multiproduct context, we first examine how substitution/complementarity relationships among products can affect pricing. This is used to motivate multi-product generalizations of the Herfindahl-Hirschmann index (GHHI)...

The relative price of locally-produced milk and cheese in rural Paraguay is puzzling, apparently leaving opportunities for arbitrage. Despite requiring additional labor and inputs, the price of cheese per liter of milk is lower than the price of a liter of fluid milk. We propose a framework of...