Jim Whitney | Economics 102 |
Names: ______________________________ ______________________________
______________________________ ______________________________
(1) Demand: Qd = 16 - 2Pb => Pb= 8-(1/2)Qd
(2) Supply: Qs = 1 + Ps => Ps = -1+Qs
(3) Equil.: Qd = Qs
(4) Subsidy:Ps - Pb = sub=> Ps = Pb + 3
So we have 4 equations and 4 unknowns (Pb, Ps, Qd, Qs). Solving
this system of equations yields:
Pb = ______
Ps = ______
Qd = ______
Qs = ______
Checklist:
___ Label the new quantity,
Pb and Ps in the diagram
1. Impact on consumers:
___ Has consumer surplus
(CS) gone up or down? ______
___ In the diagram the
change in consumer surplus = ________
___ Compute the size
of the change in consumer surplus:
2. Impact on producers:
___ Has producer surplus
(PS) gone up or down? ______
___ In the diagram the
change in producer surplus = ________
___ Compute the size
of the change in producer surplus:
3. Impact on government/taxpayers:
___ Does government
receive (+) or spend (-) money? ____________
___ In the diagram the
receipts/spending = ____________
___ Compute the size
of the impact on the government:
4. Overall impact
of the subsidy on social welfare:
change in CS + change in PS + change in government revenues
= ______
= area ____________ in the diagram