Commentary:
Frank, Ellen; Miller, John; Scher, Abby; and the Dollars and Sense Collective. Real World Macro - A Macroeconomic Reader. 17 th Edition. Sommerville, MA.: Dollars and Sense, 2000.
McConnell, Campbell, R. and Brue, Stanley L. Economics - Principles, Problems and Policies. 14 th Edition. Boston, MA.: Irwin McGraw-Hill. 1999.