As observed in Chapter 3, section 3.6.2 (especially Figure 3.6), the 2001 recession appears not to have been a recession at all when judged by the revised data for real GDP. Using whatever data, calculations, and graphical analysis that you find helpful, does a wider range of data support the NBER’s identification of a recession in that year? (You may have to find additional data on the web in order to answer this question.)