The Cambridge and Fischer versions of the quantity theory are identical if

Congestion taxes tend to cause an increase in traffic volume during rush hours

Indicate whether the statement is true or false

The air route from Dallas to Mexico City is served by more than one airline. The demand for tickets from American Airlines for that route is probably

A) inelastic but more elastic than the demand for all tickets for that route. B) elastic and more elastic than the demand for all tickets for that route. C) inelastic and less elastic than the demand for all tickets for that route. D) elastic but less elastic than the demand for all tickets for that route.