This is “Suggested Reading”, section 5.4 from the book Finance, Banking, and Money (v. 2.0).
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Constable, Simon, and Robert E. Wright. The Wall Street Journal Guide to the 50 Economic Indicators That Really Matter: From Big Macs to “Zombie Banks,” the Indicators Smart Investors Watch to Beat the Market. New York: HarperCollins Business, 2011.
Evans, Michael. Practical Business Forecasting. Hoboken, NJ: John Wiley and Sons, 2002.
Friedman, Milton. The Optimum Quantity of Money. Piscataway, NJ: Aldine Transaction, 2005.