Tax Revenue TE the size of the tax Q= the quantity of the good sold TxQ=the governments tax revenue H arc Inc. items and derived items c ht o 2001 by Harcourt, Inc
Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Tax Revenue T = the size of the tax Q = the quantity of the good sold TQ = the government’s tax revenue
Tax Revenue Price Supply Price buyers Size of tax T) pay Tax Revenue (T x Q Price sellers receive Quantity sold(Q Demand Quantity Quantity Quantity with tax without tax H arc Inc items and derived items copyright o 2001 by Harcourt, Inc
Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Tax Revenue... Price 0 Quantity Quantity without tax Supply Demand Price sellers receive Quantity with tax Size of tax (T) Quantity sold (Q) Tax Revenue (T x Q) Price buyers pay
How a Tax Affects Welfare Price Tax reduces consumer surplus by (b+c) and producer surplus by (d+e) Price buyers Tax revenue =(B+D) A Supply pay B Price without= P1 Deadweight LOSs =(C+E tax D E Price s sellers F receive ■■ ■■■■■■■■■■■■ Demand ■■■■■ 0 2 Q1 uanti Harcourt, Inc. items and derived items copyright o 2001 by Harcourt, Inc
Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. How a Tax Affects Welfare... 0 Quantity Price Demand Supply Q1 A B C F D E Q2 Tax reduces consumer surplus by (B+C) and producer surplus by (D+E) Tax revenue = (B+D) Deadweight Loss = (C+E) Price buyers pay = PB P1 Price without tax = Price PS sellers receive =
Changes in Welfare from a tax Without tax With Tax Change Consumer Surplus A+B+C A -(B+C) Producer Surplus D+E+F F -(D+E) Tax Revenue none B+D +(B+D) Total Surplus A+B+C+D+E+F A+B+D+F C+E The area C+e shows the fall in total surplus and is the deadweight loss of the tax Harcourt, Inc. items and derived items copyright o 2001 by Harcourt, Inc
Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Changes in Welfare from a Tax Without Tax With Tax Change Consumer Surplus A + B + C A - (B + C) Producer Surplus D + E + F F - (D + E) Tax Revenue none B + D + (B + D) Total Surplus A + B + C + D + E + F A + B + D + F - (C + E ) The area C+E shows the fall in total surplus and is the deadweight loss of the tax
How a Tax Affects Welfare The change in total welfare includes o The change in consumer surplus o The change in producer surplus o The change in tax revenue s The losses to buyers and sellers exceed the revenue raised by the government o This fall in total surplus is called the deadweight loss. H arc Inc items and derived items copyright o 2001 by Harcourt, Inc
Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. How a Tax Affects Welfare The change in total welfare includes: uThe change in consumer surplus, uThe change in producer surplus, uThe change in tax revenue. uThe losses to buyers and sellers exceed the revenue raised by the government. uThis fall in total surplus is called the deadweight loss