An efficient air transport system is critical to countries attaining and sustaining healthy economies in an increasingly interconnected world economy. Competing successfully now means quick shipping over long distances at reasonable rates. Societies also prosper when people from different...

This study estimates a hedonic railroad cost function. It allows for differences in marginal costs across different outputs with different shipment characteristics. Cost and shipment data are included to examine the elasticity of costs with respect to two outputs - unit train output and way &...