The demandand Supply functions for three goods ase givenasfallows: Dx = 100 -3 Px + Py + 3Pz Dy = 80+ Px - Dz = 120+3 Px -Py-4Pz 2 By - Pz Sx=-10+ Px Sy =-20+3Py Sz =-30+2Pz Detenmine the eaquilibrivmpricesand quantities a all three goods .

ENGR.ECONOMIC ANALYSIS
14th Edition
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Chapter1: Making Economics Decisions
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The demandand Supply functions for three goods
axe givena s fallows:
Dx = 100 - 3 Px t Py + 3 Pz
80+ Px - 2 Py - Pz
Dy =
Dz = 120+3 Px -Py -4Pz
Sx=-10+ Px
Sy =-20+3Py
Sz =-30+ 2 Pz
Determine the equilibriunm pricesand quantities ob
all three goods.
The government decides to:
25%. Eaxx on X
立
impose a
SBs/umik tax
on y
impose a
give a 10% subsidy
Arcalyze the impact of each of
m eauilibaiuma prsices and auantities·
Also colculate changes im consumen Epproducen
good z.
these policiessepasately
on
-)
surpluses and the amovnt of revenue earmed by
the
govermment
Bepeat, this exencise when policies (a, b), (b,c)and
laibic) are joimtly implemented. which policy
chóice is best? why?
Provide theositiral justificatiens
(using diagtams)of
all zesults ebtaimed
Transcribed Image Text:Date: The demandand Supply functions for three goods axe givena s fallows: Dx = 100 - 3 Px t Py + 3 Pz 80+ Px - 2 Py - Pz Dy = Dz = 120+3 Px -Py -4Pz Sx=-10+ Px Sy =-20+3Py Sz =-30+ 2 Pz Determine the equilibriunm pricesand quantities ob all three goods. The government decides to: 25%. Eaxx on X 立 impose a SBs/umik tax on y impose a give a 10% subsidy Arcalyze the impact of each of m eauilibaiuma prsices and auantities· Also colculate changes im consumen Epproducen good z. these policiessepasately on -) surpluses and the amovnt of revenue earmed by the govermment Bepeat, this exencise when policies (a, b), (b,c)and laibic) are joimtly implemented. which policy chóice is best? why? Provide theositiral justificatiens (using diagtams)of all zesults ebtaimed
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