Statutory Tax Rate Reform and Charitable Contributions: Evidence from a Recent Period of Reform.
本文利用法定税率改革时期的数据，估计了个人捐赠的价格弹性，发现弹性很小且不能归因于滞后调整，但捐赠对预期的未来价格变化敏感。
Abstract This paper uses a model of changes in Individual contributions, measured over a period of statutory tax rate reform, to estimate the price elasticity of contributions. This type of model reduces the omitted variable bias and econometrically dominates the traditional, single-period model of contributions. The basic empirical findings are that the price elasticity of giving is quite small, and that the smallness of the elasticity estimate cannot be attributed to a lagged adjustment of giving to changing tax parameters. Additionally, the analysis - shows that although contributions are not elastic with respect to current price, they are sensitive to anticipated future changes In price. That Is, there is substantial substitution between contributions of different periods when a future tax rate (price) change is anticipated.