While the BLS Consumer Expenditure Survey doesn't use the Saver age group, it's clear from the two overlapping age groups that it does use that Savers actually spend about one third more than Spenders . Because the incomes of Savers are so much higher, they are actually the group that has the largest per capita savings, despite being the biggest spenders. This may also be due to the fact that per capita income typically peaks in that age group. He developed it for bond market analysis. Charles Minter of Comstock Partners, Inc. continues to track this ratio and employ it in his analysis.
Nerds tend to be buyers of bonds, while Yuppies tend to be net borrowers.