Gustman, Alan L.; Steinmeier, Thomas L.; Tabatabai, Nahid - In: American Economic Review 102 (2012) 3, pp. 309-13
There is evidence of a relation between numeracy and wealth held outside of pensions and Social Security. With pensions and Social Security accounting for half of wealth at retirement, and evidence that those with pensions save more in other forms, one would expect to find knowledge of pensions...