Wall Street Journal Article - Amy Chozick

Summary
Travel since 9/11 has been on the rebound and the discount craze that has been happening in the United States, Europe and Asia has now started to take flight in Latin America. Travelers in South America have had to endure long uncomfortable bus rides to travel any variety of distances. In the past year, four budget airlines have been able to expand and offer cross border trips and even flights to tourist areas at costs that it would take to fill your car with a tank of gas.
Definition of the Principle
The article illustrates the principle of a shift in Demand. The law of demand…