This is the web appendix to "How Does Charitable Giving Respond to Incentives and Income? New Estimates from Panel Data," National Tax Journal, Vol. 62, no. 2, 2009, pp. 191-217.

We estimate the elasticity of charitable giving with respect to persistent and transitory price and income changes using a 1979-2006 panel of tax returns. Our estimation procedure allows for anticipation of and gradual adjustment to tax changes, controls for various potential sources of omitted...

Tax policies in the U.S. increase the incentive to donate to charity among those who itemize their deductions, and most of the tax revenue cost goes to subsidize donations made by relatively high-income people. Several types of empirical evidence which I review here suggest that the donation...