1. Baum, C.F., Schaffer, M.E., and Stillman, S. (2010). “ivreg2: Stata module for extended instrumental variables/2SLS, GMM and AC/HAC, LIML, and k-class regression.” Available at http://ideas.repec.org/c/boc/bocode/s425401.html.
2. Does 401(k) eligibility increase saving? Evidence from propensity score subclassification;Benjamin;J. Public Econ.,2003
3. Bernheim, Douglas B. (2002). “Taxation and Saving.” In Handbook of Public Economics, Volume 3, Auerbach, Alan J. and Feldstein, Martin (eds): Elsevier Science B.V., Amsterdam, 1173–1249.
4. Borrowing to Save? The Impact of Automatic Enrollment on Debt;Beshears,2017
5. How Much Has Wealth Concentration Grown in the United States? A Re-Examination of Data from 2001–2013;Bricker,2018