Which One of the Following Would Make the Demand for Airline

Multiple Choice

Which one of the following would make the demand for airline travel relatively more elastic?

A) A reliable network of long-distance high-speed trains is established.
B) There is a widespread reduction in airline fares.
C) Airline employees grant wage concessions in an attempt to cut operating costs.
D) Budget cuts for highway maintenance lead to a deterioration of the interstate freeway system.