efficient allocation of resources in the economy
TRANSCRIPT
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Efficient Allocation of Resources in the
economy
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Production Possibilities
Resource and technological limitations restrict what an economy can produce.
The set of all feasible output bundles is the economy’s production possibility set.
The set’s outer boundary is the production possibility frontier.
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Production Possibilities
Fish
Coconuts
Production possibility frontier (ppf)
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Production Possibilities
Fish
Coconuts
Production possibility frontier (ppf)
Production possibility set
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Production Possibilities
Fish
Coconuts
Feasible butinefficient
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Production Possibilities
Fish
Coconuts
Feasible butinefficient
Feasible and efficient
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Production Possibilities
Fish
Coconuts
Feasible butinefficient
Feasible and efficient
Infeasible
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Production Possibilities
Fish
Coconuts
Ppf’s slope is the marginal rateof product transformation.
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Production Possibilities
Fish
Coconuts
Ppf’s slope is the marginal rateof product transformation.
Increasingly negative MRPT increasing opportunitycost to specialization.
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Production Possibilities
If there are no production externalities then a ppf will be concave w.r.t. the origin.
Why?
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Production Possibilities
If there are no production externalities then a ppf will be concave w.r.t. the origin.
Why? Because efficient production
requires exploitation of comparative advantages.
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Comparative Advantage
Two agents, RC and Man Friday (MF). RC can produce at most 20 coconuts
or 30 fish. MF can produce at most 50 coconuts
or 25 fish.
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
MRPT = -2/3 coconuts/fish so opp. cost of onemore fish is 2/3 foregone coconuts.
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
MRPT = -2/3 coconuts/fish so opp. cost of onemore fish is 2/3 foregone coconuts.
MRPT = -2 coconuts/fish so opp. cost of onemore fish is 2 foregone coconuts.
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
MRPT = -2/3 coconuts/fish so opp. cost of onemore fish is 2/3 foregone coconuts.
MRPT = -2 coconuts/fish so opp. cost of onemore fish is 2 foregone coconuts.
RC has the comparativeopp. cost advantage inproducing fish.
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
MRPT = -2/3 coconuts/fish so opp. cost of onemore coconut is 3/2 foregone fish.
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
MRPT = -2/3 coconuts/fish so opp. cost of onemore coconut is 3/2 foregone fish.
MRPT = -2 coconuts/fish so opp. cost of onemore coconut is 1/2 foregone fish.
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Comparative Advantage
F
C
F
C
RC
MF
20
50
30
25
MRPT = -2/3 coconuts/fish so opp. cost of onemore coconut is 3/2 foregone fish.
MRPT = -2 coconuts/fish so opp. cost of onemore coconut is 1/2 foregone fish.
MF has the comparativeopp. cost advantage inproducing coconuts.
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Comparative Advantage
F
C
Economy
F
C
F
C
RC
MF
20
50
30
25
70
55
50
30
Use RC to producefish before using MF.
Use MF toproducecoconuts before using RC.
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Comparative Advantage
F
C
Economy
F
C
F
C
RC
MF
20
50
30
25
70
55
50
30
Using low opp. costproducers first resultsin a ppf that is concave w.r.t the origin.
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Comparative Advantage
F
C
Economy
More producers withdifferent opp. costs“smooth out” the ppf.
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Coordinating Production & Consumption
MRS MRPT inefficient coordination of production and consumption.
Hence, MRS = MRPT is necessary for a Pareto optimal economic state.
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Decentralized Coordination of Production & Consumption
Competitive markets, profit-maximization, and utility maximization all together cause
the necessary condition for a Pareto optimal economic state.
MRPTpp
MRSF
C ,