Answer to this week's riddle

Travis Hale

Again, the riddle:  

Health care and college education have outpaced inflation in recent years, but what mode of transportation has seen a 40% reduction in its cost over the last 30 years?

Answer:  Airline travel

Source: http://www.aei-ideas.org/2012/10/even-with-baggage-fees-the-miracle-of-flight-remains-a-real-bargain-average-2011-airfare-was-40-below-1980-level/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+aei-ideas%2Fcarpe-diem+%28AEIdeas+%C2%BB+Carpe+Diem%29