- Blanchard, chapter 2 (pp. 22–28, 31–34, 40–41); appendix 1, 2 (pp. A.1–A.11).
- Berenson, Alex. "Weird Economics: To Save or Spend?" New York Times, April 1, 2001.
Macroeconomics is at the heart of economics.... This centrality will continue, for the best possible reason: the need to understand current events, especially unfavorable ones, and to formulate policies....
— Robert M. Solow