Bénabou, R., & Tirole, J. (2006). Incentives and prosocial behavior. American Economic Review, 96(5), 1652–1678.
Center on Philanthropy. (2007). Patterns of household charitable giving by income group, 2005. Prepared for Google. Available on the Center’s website: http://www.philanthropy.iupui.edu/.
Davis, D. D. (2006). Rebate subsidies, matching subsidies and isolation effects. Judgment and Decision-Making, 1, 13–22.
Davis, D. D., & Millner, E. L. (2005). Rebates and matches and consumer behavior. Southern Economic Journal, 72, 410–421.
Davis, D. D., Millner, E. L., & Reilly, R. J. (2005). Subsidy schemes and charitable contributions: a closer look. Experimental Economics, 8, 85–106.
Dillman, D. A. (2000). Mail and internet surveys: the tailored design method (2nd edn). New York: Wiley.
Eckel, C. C., & Grossman, P. J. (2003). Rebates and matching: does how we subsidize charitable contributions matter? Journal of Public Economics, 87, 681–701.
Eckel, C. C., & Grossman, P. J. (2006a). Do donors care about subsidy type? An experimental study. In D. Davis, & M. Isaac (Eds.), Research in experimental economics, Vol. 11. Experiments investigating fundraising and charitable contributions (pp. 163–182). New York: JAI Press.
Eckel, C. C., & Grossman, P. J. (2006b). Subsidizing charitable giving with rebates or matching: further laboratory evidence. Southern Economic Journal, 72(4), 794–807.
Groves, R. M., & Couper, M. P. (1998). Nonresponse in household interview surveys. New York: Wiley–Interscience
Harrison, G., & List, J. A. (2004). Field experiments. Journal of Economic Literature, 42(4), 1009–1055.
Hoffman, E., McCabe, K., & Smith, V. L. (1996). Social distance and other-regarding behavior in dictator games. American Economic Review, 86(3), 653–660.
Karlan, D., & List, J. A. (2007). Does price matter in charitable giving? Evidence from a large-scale natural field experiment. American Economic Review, 97(5), 1774–1793.
List, J. A. (2006). Field experiments: a bridge between lab and naturally occurring data. Advances in Economic Analysis and Policy 6(2), Article 2.
List, J. A., & Lucking-Reiley, D. (2002). The effects of seed money and refunds on charitable giving: experimental evidence from a university capital campaign. Journal of Political Economy, 110(1), 215–233.
Tourangeau, R., Rips, L. J., & Rasinski, K. (2000). The psychology of survey response. New York: Cambridge University Press.