Problem
When tolls on the Dulles Airport Greenway were reduced from $1.75 to $1.00, traffic increased from 10,000 to 26,000 trips a day. Assuming all changes in quantity were due to the change in price, what is the price elasticity of demand for the Dulles Airport Greenway?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.