8.1   Public Goods and Private Goods
8.2   Externalities
8.3   Public Policy to Promote Competition
8.4   Income Distribution
8.5   World Trade + Tariff
Unit 8:  Market Failure & Role of Government
Steven M. Reff
Economics Lecturer
University of Arizona
(2007 - 2016)
The 2015 University of Arizona
Five-Star Faculty Award
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Unit 8:  MARKET FAILURE AND THE ROLE OF GOVERNMENT (8–14%)

Topic 8.1   Public and private goods
                        • Excludability, rivalry, and free-rider problem
                        • Provision of public goods
• Topic 8.2   Externalities
                        • Marginal social benefit and marginal social cost
                        • Positive externalities
                        • Negative externalities
                        • Remedies
• Topic 8.3   Public policy to promote competition
                        • Antitrust policy
                        • Regulation
Topic 8.4   Income distribution
                        • Income inequality
                        • Lorenz curve and Gini coefficient
Topic 8.5   World Trade + Tariff
eWorkbook Activities Interactive:
eTextbook Reading:
eVideos -- Short Videos:
eWorkbook Activities Interactive:
eTextbook Reading:
Private vs. Public Goods
Externalities Interactive Graphs
Negative Production Externality Drawable Graphs
Externalities Questions and Interactive Graphs
World Trade and Tariff Graph Questions, II
World Trade and Tariff Graph Questions, I
Lorenz Curve and Gini Coefficient Interactive, I
Lorenz Curve and Gini Coefficient 12 M.C. Questions
Positive Consumption Externality Drawable Graph
Lorenz Curve and Gini Coefficient Interactive, II
Inequality, Lorenz Curve, Gini Coefficient Questions
Lorenz Curve and Gini Coefficient Interactive, III
Externalities
Lesson 32:  Lorenz Curve
Externalities -- Negative Production Externality Graphing Activity
Externalities -- Positive Consumption Externality Graphing Activity
Private vs. Public Goods (Two Parts) Activity
Lorenz Curve Graphing Activity (5 Questions)
Lorenz Curve Graphing Activity (8 Questions)
World Trade & Tariff Graph
World Trade & Tariff Quiz
26 Multiple Choice Questions on Market Failure
13 Questions on the Lorenz Curve and Gini Coefficient
Negative Externality, Part I
Positive Externality, Part I
Lorenz Curve (Income Equality vs. Income Inequality), Part I
World Trade Graph, Part I
World Trade Graph, Part II
Lorenz Curve (Gini Index)
Negative Externality, Part II
Positive Externality, Part II
Lorenz Curve (Income Equality vs. Income Inequality), Part II
eREVIEW:  Externalities
Topics 8.1  Public Goods and Private Goods
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Topics 8.2  Externalities
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Externalities Silent Movie
eTextbook Reading:
eVideos -- Short Videos:
eWorkbook Activities Interactive:
eTextbook Reading:
eREVIEW:  Income Distribution
Topics 8.4  Public Policy to Promote Competition
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Topics 8.4  Income Distribution
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eVideos -- Short Videos:
eWorkbook Activities Interactive:
eTextbook Reading:
eREVIEW:  World Trade + Tariff
Topics 8.5  World Trade + Tariff
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Reffonomics Baseball -- Lorenz Curve and Gini Coefficient
Review Video: Inequality (Lorenz Curve)
Review Video:  Negative Externality (Consumption)
Review Video:  Negative Externality (Production)
World Trade and Tariff 2012 FRQ #3
Reffonomics Baseball:  World Trade and Tariff Graph
Review Video:  World Trade + Tariff Graph
Government Regulations Affect on Supply and Demand Shown Below
Antitrust Policy
Click on link for the U.S. Department of Justice Antitrust Law (1 page)
Government policies can affect the cost of production and the supply curve through taxes,
regulations, and subsidies.

In the short run, an increase in taxes and regulations, increases the cost of doing business
which decreases supply, and a decrease in government subsidies also decreases supply,
raising the price and decreasing the quantity sold.

In the short run, an increase in taxes and regulations, increases the cost of doing business
which decreases supply, and a decrease in government subsidies also decreases supply,
raising the price and decreasing the quantity sold.
Regulations can also impact consumer preferences and choices, thereby influencing
demand. For example, health and safety regulations can make certain products more
desirable, increasing their demand. Similarly, environmental regulations can boost demand
for eco-friendly products while reducing demand for products deemed harmful to the
environment.

Trade policies can also impact demand. Tariffs, quotas, and other trade restrictions can
increase the price of imported goods, reducing their demand. On the other hand, free trade
agreements can lower the price of imported goods, potentially increasing their demand.

Furthermore, government policies can impact demand by affecting consumer confidence.
For instance, policies that promote economic stability and growth can boost consumer
confidence, leading to increased spending and demand. Conversely, policies that create
economic uncertainty can undermine consumer confidence, leading to decreased spending
and demand.
https://www.tutorchase.com/answers/ib/economics/how-do-government-policies-and-regulations-impact-demand
Supply Curve:
Demand Curve:
Silent Video:  World Trade + Tariff Graph
Review Video:  Positive Externality (Consumption)
Review Video:  Positive Externalitiy (Production)
YOU MUST UNDERSTAND THE DIFFERENCES AMOUNT
THE 4 EXTERNALITIES BELOW: