This paper estimates the effects of three federal tax acts—the Economic Growth and Tax Relief Reconciliation Act of 2001 (H.R. 1836), the Jobs and Growth Tax Relief Reconciliation Act of 2003 (H.R. 2), and the Working Families Tax Relief Act of 2004 (H.R. 1308)—on charitable giving, and offers four extensions relative to previous work. First, we use new data—the Center on Philanthropy Panel Stu...