This paper shows that "strict" financial break-even for airports may not be socially desirable. To maximize social welfare, airports should be allowed to take losses or make profits at different times while achieving break-even only in the long run. In particular, with economies growing over...

The main aim of this paper is to present a pricing mechanism appropriate for allocating common maritime infrastructure cost which would allow not only a fair and efficient allocation, but also, a solution which would take into account demand characteristics assuring a realistic interpretation of...

An econometric model of the barge and rail freight market is developed so that factors which influence barge and rail rates for export-bound grain from Midwest to Mexican Gulf can be better understood. Three-stage least squares method is used to estimate the system of four equations that...

Much debate has occurred in the extant literature as to whether socially responsible actions undertaken by firms result in improved financial performance. One key dimension of social responsibility is environmental initiatives and programs. While the purchasing function can create value and...