Point of View # 5

Thomas Helbling; “Externalities: Prices Do Not Capture All Costs”; International Monetary Fund; 2/24/20.

Will Kenton, “Externality”; Investopedia; 10/26/20.

Robert Friedel; American Bottles: The Road To No Return; Environmental History; Vol. 19, No.3, July 2014.

Finn Arne Jørgensen; “A Pocket History of Bottle Recycling”; The Atlantic; February 27, 2013.

Jane L. Levere; “After the ‘Crying Indian', Keep America Beautiful Starts a New Campaign”; The New York Times; July, 16 2013.