ECON-UA 2 Lecture Notes - Lecture 11: Diminishing Returns, Opportunity Cost, Marginal Product

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24 Oct 2016

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Process of combining inputs to make goods and services. Methods available for combining inputs to produce a good or service. Firm uses only two inputs: capital and labor. A time horizon long enough for a firm to vary all of its inputs. A time horizon during which at least one of the firm"s inputs cannot be varied. An input whose usage can change over some time period. An input whose quantity must remain constant over some time period. The maximum quantity of output that can be produced from a given combination of inputs. The additional output produced when one more worker is hired. Definition: mpl = change in output / change in labor. As we continue to add more of any one input, holding the other inputs constant. * the graph with the upward pointing arrow. Clicker question: suppose the following graph shows the total product function in black.

Related Questions

1. The slope of the total product curve measures

a. the marginal rate of technical substitution.

b. marginal product.

c. average product.

d. the maximum average product.

e. minimum product.

2. The Law of Diminishing Returns to a variable input (such as labor) assumes that

a. there is at least one fixed input.

b. all inputs are changed by the same percentage.

c. the firm is operating in the short run.

d. all inputs are held constant.

e. a and c.

3. An isoquant curve identifies

a. the maximum output possible, given a fixed budget.

b. the different combinations of goods the can be produced, given fixed amounts of inputs.

c. the different combinations of inputs that can be used to produce a fixed rate of output.

d. none of the above.

4. The ratio of total productivity to the total quantity of a variable input being used in production is

a. equal to marginal physical productivity of the input.

b. constant as employment levels of the input vary.

c. equal to average physical productivity of the input.

d. equal to the marginal rate of technical substitution.

1. Productivity is defined as the quantity of

a. labor required to produce a nation's GDP.

b. goods and services produced per unit of time.

c. labor required to produce one unit of goods and services.

d. goods and services produced from each unit of labor input.

2. When market conditions in a competitive industry are such that firms cannot cover their total production costs, then

a. the firms will suffer short-run economic losses that will be exactly offset by long-run economic profits.

b. all firms will go out of business since consumers will not pay prices that enable firms to cover their total production costs.

c. some firms will exit the market, causing prices to rise until the remaining firms can cover their total production costs.

d. the firms will suffer long-run economic losses.

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Question 16

If price is cut and demand is elastic, total revenue will rise because

		the change in quantity demanded is greater than the percent change in price.
		the percent change in quantity demanded is greater than the change in price.
		the percent change in quantity demanded is greater than the percent change in price.
		customers can't find substitutes.

3 points

Question 17

If price is cut and demand is inelastic, total revenue will fall because

		the change in quantity demanded is less than the percent change in price.
		the percent change in quantity demanded is less than the change in price.
		the percent change in quantity demanded is less than the percent change in price.
		customers can find substitutes.

3 points

Question 18

If something is addictive, then

price and demand are inversely related.

price elasticity of demand is equal to one.

demand is perfectly inelastic.

demand is perfectly elastic.

3 points

Question 19

In general, elasticities measure

		the change in quantity demanded when a product attribute changes.
		the change in consumer spending when income changes.
		the change in an attribute for a percentage change in price.
		the percentage change in the quantity demanded resulting from a fixed percentage change in some attribute.

3 points

Question 20

Average total costs are defined as

total costs divided by the change in output.

total costs divided by output.

the change in total costs when output changes.

average variable costs plus marginal costs.

3 points

Question 21

If a firm is experiencing economies of scale, then the long-run average cost curve is

falling.

rising.

horizontal.

shifting.

3 points

Question 22

If average total cost is rising

marginal cost is above average total cost.

marginal cost is rising.

marginal product is rising.

marginal cost is above average total cost and is falling.

3 points

Question 23

The period of time over which all inputs are variable is the

market horizon.

short run.

calendar year.

long run.

3 points

Question 24

The supply chain refers to

the supply curve.

the process of outsourcing.

the process of downsizing.

the process of creating and selling a product.

3 points

Question 25

When the capital (a fixed input) changes

short-run marginal costs rise.

short-run average total costs fall but do not shift.

labor inputs decline.

the short-run average total cost curve shifts.

3 points

Question 26

A market of price takers is called

perfectly competitive.

monopolistically competitive.

a monopoly.

an oligopoly.

3 points

Question 27

A market with a single seller is called

perfectly competitive.

monopolistically competitive.

a monopoly.

an oligopoly.

3 points

Question 28

A market that mainly stresses product differentiation is called

perfectly competitive.

monopolistically competitive.

a monopoly.

an oligopoly.

3 points

Question 29

Entry into a competitive market will continue until

economic profits are zero.

normal profits are zero.

when accounting losses are zero.

a. and b. are true

3 points

Question 30

Firms in an oligopoly

act independently.

engage in strategic behavior.

have perfect knowledge of the behavior of others.

openly collude.

ECON-UA 2 Lecture Notes - Lecture 11: Diminishing Returns, Opportunity Cost, Marginal Product

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Related Questions

		price and demand are inversely related.
		price elasticity of demand is equal to one.
		demand is perfectly inelastic.
		demand is perfectly elastic.

		total costs divided by the change in output.
		total costs divided by output.
		the change in total costs when output changes.
		average variable costs plus marginal costs.

		marginal cost is above average total cost.
		marginal cost is rising.
		marginal product is rising.
		marginal cost is above average total cost and is falling.

		the supply curve.
		the process of outsourcing.
		the process of downsizing.
		the process of creating and selling a product.

		short-run marginal costs rise.
		short-run average total costs fall but do not shift.
		labor inputs decline.
		the short-run average total cost curve shifts.

		perfectly competitive.
		monopolistically competitive.
		a monopoly.
		an oligopoly.

		economic profits are zero.
		normal profits are zero.
		when accounting losses are zero.
		a. and b. are true

		act independently.
		engage in strategic behavior.
		have perfect knowledge of the behavior of others.
		openly collude.

		falling.
		rising.
		horizontal.
		shifting.