The paper looks at responses of crewmembers of six Taiwan air carriers who were asked to report their levels of fatigue before takeoff and after landing. Ordinal probit models are employed to estimate three fatigue models for different flight operations and serve as vehicles to investigate...

<title>A<sc>bstract</sc> </title> Abstract This paper investigates the influences of deregulation on Taiwan's domestic air market, which took place in 1987. The Herfindahl-Hirschman Index, the number of effective competitors, and the concentration ratio of a defined market are used to measure the associated market...

Travel demand is derived from activities at the trip destination; therefore, media that have the potential to provide services previously only supported by transportation will have a chance to be chosen by passengers. The idea of telecommuting is considered the most promising substitute of work...