xBookUtils.terms['fn_16_501'] = "Bernanke, Ben S., Mark Gertler, and Mark Watson. 1997. Systematic monetary policy and the effects of oil price shocks. Brookings Papers on Economic Activity 1: 91–157.";
xBookUtils.terms['fn_16_502'] = "Recall from Chapter 6 that the exact dates of a recession are a judgment call made by the National Bureau of Economic Research. The unemployment rate is one piece of information that goes into defining when a recession begins and ends but it is quite possible for economic activity as measured by other factors such as GDP, sales, and income to be increasing even when the unemployment rate is not declining.";