TY - BOOK AU - Clotfelter, Charles T TI - Federal tax policy and charitable giving T2 - NBER Monograph SN - 0-226-11048-6 U1 - 336.206/CLO PY - 1985/// CY - Chicago PB - Uni of Chicago Pr KW - Voluntarism--United States--Mathematical models KW - Corporations--United States--Charitable contributions--Mathematical models KW - Income tax--United States--Deductions--Charitable contributions--Mathematical models KW - Public finance KW - Economics ER -