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 (h&s) network structure by pooling...

We consider a market with three competitors, two of which decide to cooperate. Firms first choose capacity under demand uncertainty, then compete in quantities after the uncertainty has been resolved. We specify strategic alliance (SA) as an agreement where two airlines jointly choose capacity...

We consider a market with three competitors, two of which decide to cooperate. Firms first choose capacity under demand uncertainty then compete in quantities after the uncertainty has been resolved. We specify strategic alliance (SA) as an agreement where two airlines jointly choose capacity...

According to Porter’s hypothesis, environmental regulation increases the regulated firms’ profits. However, if a “greener” strategy is more profitable why does it need regulatory intervention in order to be implemented? Let a greener product increase the adopter’s marginal cost while...

In this paper charity brings some joy of giving; it yields more contributions to public goods than standard "subscription", but its creation is costly. We compare the laissez-faire number of charities with both the second and the first-best level. In general, laissez-faire implies an...