ECON 170 Lecture Notes - Lecture 1: Production Function, Mathematical Proof, Opportunity Cost

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30 Dec 2016

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We will focus on questions 2 and 3 but will first check out question 1 (cid:862)a fir(cid:373) is a(cid:374) orga(cid:374)izatio(cid:374) that tra(cid:374)sfor(cid:373)s i(cid:374)puts (cid:894)resour(cid:272)es it pur(cid:272)hases(cid:895) i(cid:374)to outputs (cid:894)(cid:448)alued products that it sells). It earns the difference between what it receives as revenue from selling its output a(cid:374)d (cid:449)hat it spe(cid:374)ds o(cid:374) i(cid:374)puts. (cid:863) (cid:894)carlto(cid:374) a(cid:374)d perloff, p. (cid:1005)(cid:1005)(cid:895) Firms are not as important in all economies: 90% in algeria! (1992 figures from the un: not at all less-developed countries have high government share of production: bangladesh, Paraguay and nepal have very small government sectors, with less than 3% of economy. 36% of assets: the share of employment and assets of the largest us firms has fallen since 1970, there has been a shift from manufacturing to services where firms are smaller. Firms are somewhat smaller in europe than in us. Countries with smaller markets have less dispersed size distributions.

Related Questions

Question 1

Which compensation method helps to explain the large difference between the salaries of top-level managers and mid-level managers in a firm?

	A.	Tournaments
	B.	New blood
	C.	Piece rate
	D.	Backloaded compensation

3 points

Question 2

Please consider the information provided under Question 19 in Chapter 3 (page 54). Based on the stated information, the optimal number of bees kept if the externality is ignored by Yung is 5,000. Is the socially optimal number of bees higher or lower than 5,000?

	A.	We do not have enough information to answer this question
	B.	Same
	C.	Lower
	D.	Higher

3 points

Question 3

Which of the following factors contribute to the existence of firms?

	A.	All of these factors contribute to firm existence
	B.	Risks associated with specialization
	C.	Incomplete contracts
	D.	Willingness of some people to take on risk in exchange for residual income

3 points

Question 4

Public goods are often subject to free-rider problems because these goods are:

	A.	Non-rival and non-excludable
	B.	Rival and non-excludable
	C.	Non-rival and excludable
	D.	Rival and excludable

3 points

Question 5

Which of the following is the most efficient mechanism for allocating scarce goods?

	A.	Government allocation system
	B.	First-come-first-served system
	C.	Market system
	D.	Random allocation system

3 points

Question 6

Many years ago, most of the major Hollywood movie studios also owned chains of local movie theaters across the US. Today, most of the local movie theaters are owned by other companies. What has happened to the degree of integration in the movie industry over time?

	A.	Less horizontally integrated
	B.	Less vertically integrated
	C.	More horizontally integrated
	D.	More vertically integrated

3 points

Question 7

Your firm produces replacement parts for the nuclear submarines operated by the US Navy. Which one of Porter's Five Forces will be most prominent in determining your strategies and profitability?

	A.	Bargaining Power of Suppliers
	B.	Bargaining Power of Customers
	C.	Threat of New Entrants
	D.	Threat of Substitutes

3 points

Question 8

Which of the following statements is NOT true?

	A.	The market mechanism for allocating resources is most efficient due to the incentives it creates.
	B.	Markets are always the most efficient way to allocate goods, even if the market is not perfectly competitive.
	C.	The random allocation mechanism provides no incentives at all.
	D.	The government allocation mechanism provides no incentive for the economy to grow.

3 points

Question 9

Suppose a firm's cost structure exhibits economies of scope. Which of the following actions is compatible with this cost structure?

Diversify into other product lines

Focus on core competencies and reduce production

Focus on core competencies and maintain constant production

Focus on core competencies and expand production

Question 10

Please refer to Table 8.3 on page 132 in the book. Suppose we change the payoffs in the "low price, low price" cell to 0, 25 from 0, 0. Does this change the Nash equilibrium for the game, and is the game still a Prisoner's Dilemma?

	A.	Equilibrium changes, still a Prisoner's Dilemma
	B.	Equilibrium changes, no longer a Prisoner's Dilemma
	C.	Same equilibrium, no longer a Prisoner's Dilemma
	D.	Same equilibrium, still a Prisoner's Dilemma

3 points

Question 11

Which of the following statements about restricting entry to markets is NOT true?

	A.	Brand identity and logos are expensive to establish, and entrants may find it very expensive to establish comparable position in the market.
	B.	Predatory pricing is illegal but very difficult to prove in court
	C.	Branded products tend to have more elastic demand, which makes it more difficult for entrants to charge high prices and they must stay out of the market.
	D.	A low-quality seller cannot effectively use a warranty program to keep other firms out of its market

3 points

Question 12

Your firm earns $2 million per quarter in total revenue, and your accounting profits are $100,000 per quarter. You do not charge the firm for the use of an old building that you own because it is 50 years old and fully depreciated. However, another firm has offered you $200,000 per quarter to use the facility, and this is the market rental rate for similar facilities. In this case, we know that your:

	A.	Opportunity costs are positive and economic profits are negative
	B.	Opportunity costs and economic profits are positive
	C.	Opportunity costs are negative and economic profits are positive
	D.	Opportunity costs and economic profits are negative

3 points

Question 13

Please refer to Question 13 in Chapter 1 (page 17). What is the marginal cost of reducing global warming by 0.017 degrees?

	A.	MC = 60
	B.	MC = 5
	C.	We do not have enough information to answer this question
	D.	MC = 50

3 points

Question 14

In Chapter 6, Boyes focuses on negative externalities such as the various types of pollution. However, as we discussed during our online session, we can also observe positive externalities in which external benefits are generated for people. Which of the following is NOT an example of a positive externality?

	A.	Workers can help one another to "cover the phones" and make sure that someone is always available to help clients
	B.	Workers can provide ideas to one another about how to solve problems
	C.	All of these cases are examples of positive externalities
	D.	Workers can form carpools and use other means to reduce commuting costs

3 points

Question 15

Common property resources are:

	A.	Non-rival and non-excludable
	B.	Non-rival and excludable
	C.	Rival and non-excludable
	D.	Rival and excludable

3 points

Question 16

The free-rider problem arises in markets for common property resources.

	A.	False
	B.	True

3 points

Question 17

Firms that set their product price below the actual cost of production may be engaging in:

	A.	Predatory pricing
	B.	Monopoly pricing
	C.	Moral hazard
	D.	Dollar-cost averaging

3 points

Question 18

Under a cap-and-trade mechanism to control air pollution, what happens to the price of pollution rights if the supply of righs is reduced (i.e., the supply of rights is reduced)?

Increases

Decreases

No change

Question 19

The key method for a manufacturing firm to avoid hold-up problems is to have another source of inputs.

	A.	False
	B.	True

3 points

Question 20

Your firm sells luxury autos, and you have asked the marketing department to develop and stronger brand identity through a new ad campaign. After the campaign has run for 6 months, you hire an economic consultant to study the impact of the campaign on the demand for your autos. The consultant reports that the demand for your cars is now more elastic than it was 6 months ago. Was the new ad campaign successful?

	A.	Yes
	B.	No

1. Suppose that there is a tax of $1 per unit, and the elasticity of supply is 3 and the elasticity of demand is 2 (in absolute value). How much of the $1 tax is paid by sellers?

		$0.60
		$0.40
		$0.75
		$0.67

2. In Market X, the external benefit of consumption is $5. In Market Y, the external cost of consumption is $10. Efficiency in both markets could be achieved by:

		a tax of $5 in Market X and a subsidy of $10 in Market Y.
		subsidizing both markets.
		taxing Market Y and subsidizing Market X.
		taxing both markets.

3.Economic theory suggests that a natural monopoly should be:

		eliminated whenever it arises.
		regulated to take advantage of economies of scale.
		left alone to operate with excess capacity.
		taken over by the government.

4.When the size of the production is the most efficient:

		total cost is at the minimum.
		average cost is at the minimum.
		marginal cost is at the minimum.
		fixed cost is at the minimum.

5.A firm should exit the industry if which of the following conditions apply?

		TR > TC
		P < AC
		Lifetime expected profit is positive.
		Prices are low now but expected to rise.

6.Figure: Costs

Reference: Ref 11-6

(Figure: Costs) Use the figure. At a price of $20, the firm earns profit of:

		$75.
		$300.
		$225.
		$0, because P = MC at P = $20.

7.When external benefits are present, the market price is ________, however when external costs are present, the market price is ________.

		too low; too high
		equal to the efficient price; too low
		too high; too low
		equal to the efficient price; too high

8.Which of the following statements is TRUE?

I. The EPA's tradeable allowances program for sulfur dioxide establishes property rights to pollute and helps reduce transaction costs by distributing allowances, maintaining databases, and monitoring emissions.

II. One criticism of tradeable allowances is that they prohibit non-businesses and environmental groups from purchasing the allowances.

III. The tradeable allowances for sulfur dioxide have performed poorly because electricity output has increased, causing a rise in sulfur dioxide levels.

		I only
		II and III only
		I, II, and III
		III only

9.Price floors make it illegal to compete for more customers by lowering prices, so firms compete by offering customers:

		various options.
		more quantity.
		more discount.
		higher quality.

10.Figure: Government Price Controls

Reference: Ref 8-3

(Figure: Government Price Controls) Refer to the figure. If the government sets the price ceiling at $31, there will be:

		a shortage of 15 units.
		a surplus of 15 units.
		a supply of 20 units.
		no effect on the market.

11.In which of these instances does price function as a signal in the market?

		Suppliers invest more in exploration when the price of oil increases.
		Consumers complain of price gouging as the price of oil skyrockets.
		Government imposes price controls on the skyrocketing price of oil.
		All of the answers are correct.

12.Ethanol and sugar are both made from sugar cane, and ethanol can be used as substitute fuel for oil. Increasing oil prices cause the demand for ethanol to increase. This will cause the ______ sugar to ______ and its price to ______.

		demand for; decrease; decrease
		supply of; increase; increase
		supply of; decrease; increase
		demand for; increase; increase

13.Why do cotton growers spend billions of dollars to dam rivers and transport water hundreds of miles to grow cotton in California deserts?

		Cotton growers in California don't pay payroll taxes.
		The water used to grow California cotton is highly subsidized by the government.
		Cotton growers in California are mostly operated as nonprofit enterprises.
		The water used to grow California cotton is high in mineral contents, making for a bigger cotton yield.

14.Suppose that the equilibrium price in the market is $10. If the current market price is $7.50:

		the equilibrium price will fall to $7.50.
		competition among buyers will increase the current price.
		the current price will fall below $7.50 as sellers compete for market share.
		There is not enough information provided to answer the question.

15.Which of the following would increase the demand for beef?

		lower pork prices
		higher consumer income
		higher prices of feed grains used to feed beef cattle
		an increase in the price of beef

16.A change in quantity supplied is reflected by a movement along the same supply curve while a change in supply refers to a shift in the entire supply curve.

True

False

17.Table: Production in the United States and Germany

Labor units required to produce:

One Clock

One Sofa

United States		2	5
Germany		3	9

Reference: Ref 2-8

(Table: Production in the United States and Germany) According to the table, the opportunity cost of producing one sofa in the United States is _________, and the opportunity cost of producing one sofa in Germany is _______.

		two clocks; three clocks
		10 clocks; 27 clocks
		0.4 clocks; 0.33 clocks
		2.5 clocks; three clocks

18.Mark values his drum set at $800 and Ella values her guitar at $1,000. Suppose that Mark trades his drum set for Ella's guitar.

		This trade makes Ella worse off by $200.
		This trade makes Mark better off by $200.
		Mark must value Ella's guitar for at least $1,000, and Ella must value Mark's drum set for at least $800.
		This trade creates value by moving the guitar and drum set to people who value them more.

1. Suppose that there is a tax of $1 per unit, and the elasticity of supply is 3 and the elasticity of demand is 2 (in absolute value). How much of the $1 tax is paid by sellers?

		$0.60
		$0.40
		$0.75
		$0.67

2. In Market X, the external benefit of consumption is $5. In Market Y, the external cost of consumption is $10. Efficiency in both markets could be achieved by:

		a tax of $5 in Market X and a subsidy of $10 in Market Y.
		subsidizing both markets.
		taxing Market Y and subsidizing Market X.
		taxing both markets.

3.Economic theory suggests that a natural monopoly should be:

		eliminated whenever it arises.
		regulated to take advantage of economies of scale.
		left alone to operate with excess capacity.
		taken over by the government.

4.When the size of the production is the most efficient:

		total cost is at the minimum.
		average cost is at the minimum.
		marginal cost is at the minimum.
		fixed cost is at the minimum.

5.A firm should exit the industry if which of the following conditions apply?

		TR > TC
		P < AC
		Lifetime expected profit is positive.
		Prices are low now but expected to rise.

6.Figure: Costs

Reference: Ref 11-6

(Figure: Costs) Use the figure. At a price of $20, the firm earns profit of:

		$75.
		$300.
		$225.
		$0, because P = MC at P = $20.

7.When external benefits are present, the market price is ________, however when external costs are present, the market price is ________.

		too low; too high
		equal to the efficient price; too low
		too high; too low
		equal to the efficient price; too high

8.Which of the following statements is TRUE?

II. One criticism of tradeable allowances is that they prohibit non-businesses and environmental groups from purchasing the allowances.

III. The tradeable allowances for sulfur dioxide have performed poorly because electricity output has increased, causing a rise in sulfur dioxide levels.

		I only
		II and III only
		I, II, and III
		III only

9.Price floors make it illegal to compete for more customers by lowering prices, so firms compete by offering customers:

		various options.
		more quantity.
		more discount.
		higher quality.

10.Figure: Government Price Controls

Reference: Ref 8-3

(Figure: Government Price Controls) Refer to the figure. If the government sets the price ceiling at $31, there will be:

		a shortage of 15 units.
		a surplus of 15 units.
		a supply of 20 units.
		no effect on the market.

11.In which of these instances does price function as a signal in the market?

		Suppliers invest more in exploration when the price of oil increases.
		Consumers complain of price gouging as the price of oil skyrockets.
		Government imposes price controls on the skyrocketing price of oil.
		All of the answers are correct.

		demand for; decrease; decrease
		supply of; increase; increase
		supply of; decrease; increase
		demand for; increase; increase

13.Why do cotton growers spend billions of dollars to dam rivers and transport water hundreds of miles to grow cotton in California deserts?

		Cotton growers in California don't pay payroll taxes.
		The water used to grow California cotton is highly subsidized by the government.
		Cotton growers in California are mostly operated as nonprofit enterprises.
		The water used to grow California cotton is high in mineral contents, making for a bigger cotton yield.

14.Suppose that the equilibrium price in the market is $10. If the current market price is $7.50:

		the equilibrium price will fall to $7.50.
		competition among buyers will increase the current price.
		the current price will fall below $7.50 as sellers compete for market share.
		There is not enough information provided to answer the question.

15.Which of the following would increase the demand for beef?

		lower pork prices
		higher consumer income
		higher prices of feed grains used to feed beef cattle
		an increase in the price of beef

16.A change in quantity supplied is reflected by a movement along the same supply curve while a change in supply refers to a shift in the entire supply curve.

True

False

17.Table: Production in the United States and Germany

Labor units required to produce:

One Clock

One Sofa

United States		2	5
Germany		3	9

Reference: Ref 2-8

		two clocks; three clocks
		10 clocks; 27 clocks
		0.4 clocks; 0.33 clocks
		2.5 clocks; three clocks

18.Mark values his drum set at $800 and Ella values her guitar at $1,000. Suppose that Mark trades his drum set for Ella's guitar.

		This trade makes Ella worse off by $200.
		This trade makes Mark better off by $200.
		Mark must value Ella's guitar for at least $1,000, and Ella must value Mark's drum set for at least $800.
		This trade creates value by moving the guitar and drum set to people who value them more.

ECON 170 Lecture Notes - Lecture 1: Production Function, Mathematical Proof, Opportunity Cost

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