Recently, the issue of worldwide environmental quality has been discussed in the context of trade liberalization on a global scale. Two diametrically opposite tenets have been recorded. According to one tenet - the cons-increasing opportunities for profitable exchange created by trade...

Load management programs are used by electric utilities to reduce the amount of reserve capacity that is required in order to meet peak consumption. Although these programs are generally offered to costumers as alternatives to regular service, economic models of their allocative efficiency have...

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...