REM 363/ENV 399 - Week 5 LIMITS TO MARKETS. Production Possibility Curve for the Whole Economy...
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Transcript of REM 363/ENV 399 - Week 5 LIMITS TO MARKETS. Production Possibility Curve for the Whole Economy...
![Page 1: REM 363/ENV 399 - Week 5 LIMITS TO MARKETS. Production Possibility Curve for the Whole Economy Consumer goods & services Ecosystem goods & services D.](https://reader035.fdocuments.us/reader035/viewer/2022070306/55190f2055034626428b484a/html5/thumbnails/1.jpg)
REM 363/ENV 399 - Week 5 LIMITS TO MARKETS
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Production Possibility Curve for the Whole Economy
Consumer goods & services
Ecosystem goods & services
D
A
B
C
From D, more consumer goods could be produced without sacrificing ecosystem goods & services and vice versa.
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The Production Possibility Curve and the Social Welfare Function
A
B
C
D Isoquant 3
Consumer goods & services
Ecosystem goods & services
Isoquant 2
Isoquant 1
Each isoquant reflects a fixed level of social welfare and this increases from I1 to I2 to I3
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Requirements for Proper Functioning Market (i.e. Perfect Competition) 1. Large number of buyers and sellers (ie. price takers) 2. Perfect information about current and future prices, products
available, etc. 3. All economic agents behave rationally; producers maximize
profits and consumers maximize their satisfaction or "utility" 4. Market prices reflect full costs of production and consumption 5. Inputs being supplied and goods being produced are
individually owned and divisible; thus, property rights exist
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Market Failure
• This occurs when markets fail to achieve allocative efficiency, i.e. they don’t work properly
• Market failure consists of:
– Monopoly – Externalities– Lack of Property Rights– Public Goods– Imperfect Information
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Market Structure & Market Power
Price Makers Price Takers
Monopoly Oligopoly Competitive Markets
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Monopoly and inefficiency
P
QQm Q*
Marginal Revenue
S
D
P*
Pm
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Market Failure
• This occurs when markets fail to achieve allocative efficiency, i.e. they don’t work properly
• Market failure consists of:
– Monopoly – Externalities– Lack of Property Rights– Public Goods– Imperfect Information
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Negative Externality
P
Q
Ps
Pm
Qs Qm
Externality
Sm
Ss
D
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Market Failure
• This occurs when markets fail to achieve allocative efficiency, i.e. they don’t work properly
• Market failure consists of:
– Monopoly – Externalities– Lack of Property Rights– Public Goods– Imperfect Information
![Page 12: REM 363/ENV 399 - Week 5 LIMITS TO MARKETS. Production Possibility Curve for the Whole Economy Consumer goods & services Ecosystem goods & services D.](https://reader035.fdocuments.us/reader035/viewer/2022070306/55190f2055034626428b484a/html5/thumbnails/12.jpg)
Four types of property regimes
State property
Individuals have duty to observe use/access rules determined by controlling/ managing agency. Agencies have right to determine use/access rules.
Private property
Individuals have right to undertake socially acceptable uses, and have duty to refrain from socially unacceptable uses. Others (called “non-owners”) have duty to refrain from preventing socially acceptable uses, and have a right to expect that only socially acceptable uses will occur.
Common property
The management group (the “owners”) has right to exclude nonmembers, and nonmembers have duty to abide by exclusion. Individual members of the management group (the “co-owners”) have both rights and duties with respect to use rates and maintenance of the thing owned
Noproperty rights
No defined group of users or “owners” and benefit stream is available to anyone. Individuals have both privilege and no right with respect to use rates and maintenance of the asset. The asset is an “open access resource”
Source: Bromley, 1989a
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Common Pool Resource and Open Access $
per u
nit
Output
MC = S
AC = Soa
Qpc Qoa
Demand
p
poaprofits
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Types of Goods & Services as Characterized by Rivalry and Exclusivity
Exclusivity Non-Exclusivity
Rivalry private good
e.g. loaf of bread
common pool resourcee.g. air or water
Non-Rivalry ‘toll’ good e.g. information, bridge or public pool
public good
e.g. lighthouse, litter cleanup or nice view
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Market Demand CurveIndividual B Demand Curve
Individual A Demand Curve
P P P
QQQAQB QT
Note: Individual’s Demand Curve equals Individual’s “willingness to pay”
Market Price
Public Goods: Recall the Market Demand Curve in a Competitive Industry ..
Consumer Surplus
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Public Good and Marginal Willingness to Pay
P
Q
A - MWTP
B - MWTP
Market - MWTP
Samedistance
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EXAMPLE - Individual/Aggregate Demand for Lowering Lake Pollution
Level of contaminant
(ppm)
Marginal Willingness to Pay ($ per year) Total
Marginal cost of
cleanupHomeowner A
Homeowner B
Homeowner C
4 110 60 30 200 503 85 35 20 140 652 70 10 15 95 951 55 0 10 65 1500 45 0 5 50 240
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125100755025
4 3 2 1 0
125100755025
4 3 2 1 0
125100755025
4 3 2 1 0
Homeowner A
Homeowner B
Homeowner C
250200150100
50
4 3 2 1 0
MC
D