The model in this paper is intended to explain the choice of transport made by shippers, as well as their total demand for transportation services. The optimal choice of mode is shown to involve a trade-off among freight rates, speed, dependability (variance in speed) and en-route lossage. It is...

The revolutionary growth in economic prosperity and technological change that underlie the "new economy" have profoundly affected the arts. They have evidently contributed new and previously unimaginable methods of dissemination and preservation. But they have even had revolutionary effects on...