ECON 1B03 Lecture Notes - Lecture 6: Deadweight Loss, Economic Surplus, Demand Curve

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blackherring683

24 Feb 2018

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ECON 1B03 Full Course Notes

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Price elasticities of demand and supply the more elastic one or both curves are, the greater the deadweight loss more elastic means more responsive to the tax and therefore a greater drop in quantity traded. The size of the tax the greater the amount of the per unit sales tax, the greater the dwl. Calculating dwl recall the chicken wings example - always refer to a sketch when you want to calculate dwl so you can see what numbers you need. Dwl = 0. 5 x (amount of per unit tax) x (pre-tax q - after-tax q) Numerical example in a competitive market, market supply for watermelons is qs = 300p and market demand is qd = 915 - 5p in eq"m, qs = qd. sh. 01 less than before demand is more inelastic (steeper) than supply now suppose increased that the sh. 50 tax is levied on consumers the supply curve is una ected so qs =

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1) Taxing a monopoly (20 Points) Suppose that a monopolist sells a product to consumers with an aggregate demand that is downward sloping in quantity, D(Q) = 200 â 2Q. The total cost of producing Q units is C(Q) = 20Q + 2Q2 .

a) Identify the unregulated equilibrium (P â , Qâ )

b) What are the consumer and producer surpluses (CS and PS) and total welfare (W) at this equilibrium?

c) Suppose that a specific tax of Ï = 20 is imposed on each unit. i. What price-quantity pair (P 1 , Q1 ) would we expect? ii. What are CS, PS, tax revenue (T), and W? iii. What is deadweight loss?

d) Instead of a specific tax, an ad valorem tax, Î± = 16 is imposed i. What price-quantity pair (P 2 , Q2 ) would we expect? ii. What are CS, PS, T, and W? iii. What is deadweight loss?

e) Welfare distribution i. Which scenario results in the highest producer surplus? ii. Which scenario results in the greatest gains for consumers, assuming that all tax revenues are perfectly redistributed to consumers only.

scarletbadger532

Q1. Import quotas are
a. methods for reducing imports by limiting the quantity of goods that can enter the country each year
b. voluntary agreements by exporting countries to limit sales in a foreign country
c. subsidies to foreign producers to encourage them to trade
d. none of these

Q2. Devices that set up multiple exchange rates between the currencies of two nations are known as
a. tariff quotas
b. export subsidies
c. exchange controls
d. variable currencies

Q3. The international organization that replaced the General Agreement on Tariffs and Trade (GATT) is the
a. World Bank
b. Export-Import Bank
c. World Trade Organization
d. International Monetary Fund

Q4. Dumping refers to the practice of
a. flooding a foreign market with large quantities of a good
b. selling a product abroad at a price below cost or below the domestic price
c. exporting inexpensive products to foreign countries
d. selling surplus goods abroad with counterfeit brand names

Q5. Countries engage in trade because
a. the exchange is mutually beneficial
b. governments force industries to exchange
c. international law dictates that exchange must take place
d. all of these

Q6. According to the U. S. Department of Commerce, all persons, unrelated or related, who occupy a housing unit comprise
a. a family unit
b. a household
c. an extended family unit
d. group living

Q7. A country with an equal distribution of income will have a higher standard of living than a country with a more unequal distribution of income.
a. true
b. false

Q8. Welfare caseloads tend to fluctuate with
a. business cycles
b. weather
c. stock markets
d. minimum wage rates

Q9. The official poverty threshold line is adjusted annually for
a. income taxes
b. inflation
c. average household size
d. average family size

Q10. For many welfare recipients, taking a job reduces income.
a. true
b. false

Q11. It is true that a stable economy occurs when
a. total injections into the circular flow are large enough to make up for government tax leakages
b. total leakages from the circular flow are great enough to offset the effects of government spending
c. total planned leakages from the circular flow are exactly equal to total planned injections into the circular flow
d. actual saving is equal to planned investment

Q12. The measure of income received by persons from all sources is known as
a. personal income
b. national income
c. gross domestic product
d. net national product

Q13. Discharges of chemicals from a paper plant that pollute a nearby river represent an example of
a. internal costs
b. the underground economy
c. social costs
d. transfer costs

coralrabbit244

home / study / business / economics / questions and answers / Question 1 Which Of The Following Is The Best Example ... Question: Question 1 Which of the following is the best exam... Bookmark Question 1 Which of the following is the best example of a positive externality? A car company lays off 10,000 employees in order to cut costs. An individual drives a large SUV, which increases the amount of greenhouse gases in the atmosphere. An individual smokes in a restaurant, which bothers other patrons. A child is vaccinated against a disease, which reduces the probability that other children will catch the disease. 4 points Question 2 As a result of a negative externality, the market equilibrium quantity is too ______ compared to the socially optimal quantity. As a result of a positive externality, the market equilibrium quantity is too ______ compared to the socially optimal quantity. high; high. low; low. high; low. low; high. 4 points Question 3 Based on the diagram below, the deadweight loss area associated with the market equilibrium equals: Week06_graph1.jpg $10 $50 $80 $1,000 4 points Question 4 A firm's accounting profit is given by total revenue: less implicit costs. less explicit costs. less economic profit. less implicit and explicit costs. 4 points Question 5 Suppose an activity has a private cost equal to $30 and a private benefit equal to $30. The associated social cost equals $35 and the social benefit equals $30. Which of the following statements is true about this activity? There is a negative externality associated with this activity but not a positive externality. There is a positive externality associated with this activity but not a negative externality. There is both a positive and a negative externality associated with this activity. There is neither a positive nor a negative externality associated with this activity. 4 points Question 6 The Coase Theorem implies that: the efficient level of an externality is generally zero. private individuals living in market economies should not be concerned with externalities. government intervention is not always needed to arrive at the efficient level of an externality. government laws are unnecessary. 4 points Question 7 An industry in which a small number of large firms sell products that are either close or perfect substitutes is: perfectly competitive. monopolistically competitive. an oligopoly. a monopoly. 4 points Question 8 When a negative externality is present in a market: a tax can increase the level of economic surplus. the social benefits are greater than the private benefits. there is generally too little of the good produced by private markets. the government should ensure that there are zero external costs associated in all markets. 4 points Question 9 In the presence of a positive externality, the government can arrive at the socially optimal output level by: paying producers a subsidy equal to the amount of social benefits associated with the activity. charging producers a tax equal to the amount of social costs associated with the activity. paying producers a subsidy equal to the amount of external benefits associated with the activity. charging producers a tax equal to the amount of external costs associated with the activity. 4 points Question 10 The tragedy of the commons is that: too few individuals have access to high quality healthcare. common people overconsume public goods. the quality of life for lower income people is generally lower than that of higher income people. a resource with no price tends to be exploited until its marginal benefit falls to zero. 4 points Question 11 One potential remedy to the tragedy of the commons is to: never allow a single individual to consume more than one percent of the common resource. criminalize the usage of common resources. allow individuals to use a common resource as long as they receive some benefit from doing so. place a common resource under private ownership. 4 points Question 12 As a result of a positional externality: contestants have a tendency to invest in a series of mutually offsetting investments in performance enhancement. there is generally an underinvestment in performance enhancement. the market price of performance enhancement materials is too high. the quality of performance in competitive situations is lower than the socially optimal level. 4 points Question 13 Which of the following statements is true regarding health insurance? Economics shows that all health related procedures should be free to individuals because the health of an individual is priceless. Total economic surplus would be larger if individuals faced an incentive to only use services when the benefit exceeds their costs. Health maintenance organizations provide an incentive for doctors to prescribe expensive nonessential services. First dollar insurance coverage has likely had very little to do with rising healthcare expenditures since World War II. 4 points Question 14 A strategy that yields a higher payoff no matter what the other players in the game choose is known as a: prisoner's strategy. dominated strategy. dominant strategy. Nash strategy.

ECON 1B03 Lecture Notes - Lecture 6: Deadweight Loss, Economic Surplus, Demand Curve

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