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Exam 10: Pure Competition in the Short Run

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Question 61

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Answer the question on the basis of the following cost data for a firm that is selling in a purely competitive market. $\begin{array}{ccccc}& \text { Average } & \text { Average } & \text { Average } & \\\text { Total } & \text { Fixed } & \text { Variable } & \text { Total } & \text { Marginal } \\\text { Output } & \text { Cost } & \text { Cost } & \text { Cost } & \text { Cost }\\\hline1 & \$ 150.00 & \$ 25.00 & \$ 175.00 & \$ 25.00 \\2 & 75.00 & 23.00 & 98.00 & 21.00 \\3 & 50.00 & 20.00 & 70.00 & 14.00 \\4 & 37.50 & 21.00 & 58.50 & 24.00 \\5 & 30.00 & 23.00 & 53.00 & 31.00 \\6 & 25.00 & 25.00 & 50.00 & 35.00 \\7 & 21.43 & 28.00 & 49.43 & 46.01 \\8 & 18.75 & 33.00 & 51.76 & 68.07 \\9 & 16.67 & 39.00 & 55.67 & 86.95 \\10 & 15.00 & 48.00 & 63.00 & 128.97\end{array}$ Refer to the data.If the market price for this firm's product is $68.10,it will produce:

A) 8 units at an economic profit of zero.
B) 6 units at a loss of $90.
C) 9 units at an economic profit of $281.97.
D) 8 units at an economic profit of $130.72.

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Question 62

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Answer the question on the basis of the following data confronting a firm: $\begin{array}{l}\begin{array}{ccr}&&\text { Marginal }\\\text { Output } & & \text { Reven } \\\hline0&&--\\1 & & \$ 16 \\2 & & 16 \\3 & & 16 \\4 & & 16 \\5 & & 16\end{array}\begin{array}{c}Marginal\\Cost\\\hline--\\\$ 10 \\9 \\13 \\17 \\21\end{array}\end{array}$ Refer to the data.Assuming total fixed costs equal to zero,the firm's:

A) economic profit is $12.
B) economic profit is $16.
C) loss is $14.
D) economic profit is $3.

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Question 63

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Answer the question on the basis of the following cost data for a purely competitive seller: $\begin{array}{ccc}\begin{array}{c}&\text { Total } \\\text { Total }&\text { Fixed } \\\text { Output }&\text { Cost }\\\hline0&\$50\\1 & 50 \\2 & 50 \\3 & 50 \\4 & 50 \\5 & 50 \\6 & 50\end{array}\begin{array}{cc}\text { Total } &\\\text { Variable }&\text { Total } \\\text { Cost }&\text { Cost }\\\hline\$ 0 & \$ 50 \\70 & 120 \\120 & 170 \\150 & 200 \\220 & 270 \\300 & 350 \\390 & 440\end{array}\end{array}$ Refer to the data.Given the $75 product price,at its optimal output the firm will:

Answer the question on the basis of the following cost data for a firm that is selling in a purely competitive market. $\begin{array}{ccccc}& \text { Average } & \text { Average } & \text { Average } & \\\text { Total } & \text { Fixed } & \text { Variable } & \text { Total } & \text { Marginal } \\\text { Output } & \text { Cost } & \text { Cost } & \text { Cost } & \text { Cost }\\\hline1 & \$ 150.00 & \$ 25.00 & \$ 175.00 & \$ 25.00 \\2 & 75.00 & 23.00 & 98.00 & 21.00 \\3 & 50.00 & 20.00 & 70.00 & 14.00 \\4 & 37.50 & 21.00 & 58.50 & 24.00 \\5 & 30.00 & 23.00 & 53.00 & 31.00 \\6 & 25.00 & 25.00 & 50.00 & 35.00 \\7 & 21.43 & 28.00 & 49.43 & 46.01 \\8 & 18.75 & 33.00 & 51.76 & 68.07 \\9 & 16.67 & 39.00 & 55.67 & 86.95 \\10 & 15.00 & 48.00 & 63.00 & 128.97\end{array}$ Refer to the data.At 3 units of output,total variable cost is ____ and total cost is ____.

Suppose you find that the price of your product is less than minimum AVC.You should:

The Ajax Manufacturing Company is selling in a purely competitive market.Its output is 100 units,which sell at $4 each.At this level of output total cost is $600,total fixed cost is $100,and marginal cost is $4.The firm should:

Assume for a competitive firm that MC = AVC at $12,MC = ATC at $20,and MC = MR at $16.This firm will:

The short-run supply curve of a purely competitive producer is based primarily on its:

Which of the following is characteristic of a purely competitive seller's demand curve?

DASH Airlines is considering the addition of a flight from Red Cloud to David City.The total cost of the flight would be $1,100,of which $800 are fixed costs already incurred.Expected revenues from the flight are $600.DASH should:

If a purely competitive firm is producing at the P = MC output and realizing an economic profit,at that output:

Suppose that at 500 units of output marginal revenue is equal to marginal cost.The firm is selling its output at $5 per unit and average total cost at 500 units of output is $6.On the basis of this information,we:

In the short run,a purely competitive firm will earn a normal profit when:

The following table applies to a purely competitive industry composed of 100 identical firms. $\begin{array}{lcl}Quantity&&Quantity\\Demanded &Price &Supplied\\\hline400,000 & \$ 5 & 800,000 \\500,000 & 4 & 700,000 \\600,000 & 3 & 600,000 \\700,000 & 2 & 500,000 \\800,000 & 1 & 400,000\end{array}$ Refer to the table.If each of the 100 firms in the industry is maximizing its profit and earning only a normal profit,each must have an average total cost of:

Marginal revenue is the addition to total revenue resulting from the sale of one more unit of output.