We examine minimum quality standards (MQS) regulation in vertically differentiated markets with free entry.

In this paper, we provide another reason that may explain the adoption of the hub-and-spoke network structure in the airline industry. We show that when an airline has to decide on its capacity before the demand conditions are perfectly known, a hub-and-spoke network structure by pooling...

We analyze credence goods markets in the case of two firms. Consumers know that the quality of the good varies but do not know which firm is of high quality. First, we show that the high quality producer may be unable to monopolize the market, or even to survive in some cases, in situations...

Are labels good or bad for consumers and firms? The answers may seem straightforward since labels improve information, yet economic theory reveals situations where their introduction reduces the welfare of, at least, some market participants. This essay reviews the theoretical literature on...

Are labels good or bad for consumers and firms? In this essay we analyze the label's nature as information revealing mechanism and explore the theoretical literature on labeling with respect to the following issues: i) the effects of labels on market structure, ii) the distortions due to the...