This paper presents a methodology to identify when freight consolidation strategies are cost-efficient in the less-than-truckload carriers operations. Shipments are assigned based on proximity and cost criteria to build an initial long-haul shipment solution. This initial solution is later...

This paper develops a new model, which allows for the co-existence of hub-and-spoke and point-to-point networks in the airline industry. Passengers are segmented between the non-stop and one-stop services. In the baseline model, the monopoly airline's ability to segment the market and...

A common use of regional jets has been to add new spokes to existing hubs. This paper estimates a model to explain the 36 new links that were added by Delta Air Lines affiliate Comair to its Cincinnati/Northern Kentucky Airport hub between 1996 and 2001. Distance, population of the spoke city,...