Duflo, Esther; Gale, William; Liebman, Jeffrey; Orszag, … - In: The Quarterly Journal of Economics 121 (2006) 4, pp. 1311-1346
We analyze a randomized experiment in which 14,000 tax filers in H&R Block offices in St. Louis received matches of zero, 20 percent, or 50 percent of IRA contributions. Take-up rates were 3 percent, 8 percent, and 14 percent, respectively. Among contributors, contributions, excluding the match,...