Airlines considerably decreased the number of flights accessible in the year 2005, as compared to flight availability during the year 2000. Passenger mileage was fall. Economists would be least possible to ascribe the decline in airline ticket sales throughout the early year 2000s to: (1) Modifications in tastes and preferences since of the tragedy of September 11, 2001. (2) Raises in transaction costs obliged on travelers by raised airport security. (3) A relative decrease in the prosperity of U.S. economy. (4) Raises in the costs of driving long distances since of higher average prices for the gasoline.
What is the precise answer from the above options.