Chapter 5

Elasticity of various goods: Compiled from numerous studies reporting estimates for price elasticity of demand.

Elasticity of food by country: Cross-price elasticities of demand across 114 countries, U.S. Department of Agriculture, March 2010.

Alternative fuels: AutoblogGreen, green.autoblog.com/2010/03/06/u-s-annual-energy-outlook-predicts-alternative-vehicles-wont

Parking alternatives: David A. Hensher and Jenny King (2001), “Parking Demand and Responsiveness to Supply, Price and Location in Sydney Central Business District,” Transportation Research Part A, Vol. 35, No. 3, March 2001, pp. 177–196.

Average rise in public university tuition: National Center for Education Statistics, U.S. Department of Education.

Average fall in international calling rates: Author calculation using data from the Federal Communications Commission.