Exam 12: Perfect Competition and the Supply Curve

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Use the following to answer question: Use the following to answer question:   -(Table: Total Cost and Output)Use Table: Total Cost and Output,which describes Sergei's total costs for his perfectly competitive all-natural ice cream firm.If the market price of a tub of ice cream is $35,how much is Sergei's profit at the optimal short-run output? -(Table: Total Cost and Output)Use Table: Total Cost and Output,which describes Sergei's total costs for his perfectly competitive all-natural ice cream firm.If the market price of a tub of ice cream is $35,how much is Sergei's profit at the optimal short-run output?

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If a California avocado stand operates in a perfectly competitive market,that stand's owner will be a price:

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Use the following to answer question: Use the following to answer question:   -(Figure: Marginal Decision Rule)Use Figure: The Marginal Decision Rule.If P<sub>1</sub> is the market price and if this firm is maximizing profit,it should produce: -(Figure: Marginal Decision Rule)Use Figure: The Marginal Decision Rule.If P1 is the market price and if this firm is maximizing profit,it should produce:

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Use the following to answer question: Use the following to answer question:   -(Figure: The Profit-Maximizing Firm in the Short Run)Use Figure: The Profit-Maximizing Firm in the Short Run.If the market price is P<sub>4</sub>,marginal revenue: -(Figure: The Profit-Maximizing Firm in the Short Run)Use Figure: The Profit-Maximizing Firm in the Short Run.If the market price is P4,marginal revenue:

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Use the following to answer question: Use the following to answer question:   -(Table: Cherry Farm)Use Table: Cherry Farm.Suppose there are 100 farms in this industry with identical cost curves,as shown in the table.Which point would fall on the industry short-run supply curve? -(Table: Cherry Farm)Use Table: Cherry Farm.Suppose there are 100 farms in this industry with identical cost curves,as shown in the table.Which point would fall on the industry short-run supply curve?

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The supply curve found by taking the horizontal summation of the short-run supply curves of all of the firms in a perfectly competitive industry is called the _____ curve.

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Suppose a perfectly competitive firm can increase its profits by increasing its output.Then it must be true that the firm's _____ exceeds its _____.

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Use the following to answer question: Use the following to answer question:   -(Table: Variable Costs for Lawns)Use Table: Variable Costs for Lawns.During the summer,Alex runs a lawn-mowing service,and lawn-mowing is a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of mowing each of the lawns from 1 through 10 is $10.Also assume that he can only mow the quantities of lawn given in the table (and not numbers in between).His only fixed cost is $1,000 for the mower.His variable costs include fuel,his time,and mower parts.If the price for mowing a lawn is $60,how much is Alex's profit at the profit-maximizing output? -(Table: Variable Costs for Lawns)Use Table: Variable Costs for Lawns.During the summer,Alex runs a lawn-mowing service,and lawn-mowing is a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of mowing each of the lawns from 1 through 10 is $10.Also assume that he can only mow the quantities of lawn given in the table (and not numbers in between).His only fixed cost is $1,000 for the mower.His variable costs include fuel,his time,and mower parts.If the price for mowing a lawn is $60,how much is Alex's profit at the profit-maximizing output?

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In a long-run equilibrium,economic profits in a perfectly competitive industry are:

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Use the following to answer question: Use the following to answer question:   -(Figure: Short-Run Costs)Use Figure: Short-Run Costs.At the given price,the MOST profitable level of output occurs at quantity: -(Figure: Short-Run Costs)Use Figure: Short-Run Costs.At the given price,the MOST profitable level of output occurs at quantity:

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Use the following to answer question: Use the following to answer question:   -(Table: Total Cost and Output)Use Table: Total Cost and Output,which describes Sergei's costs for his perfectly competitive all-natural ice cream firm.If the market price of a tub of ice cream is $67.50,how many tubs of ice cream will Sergei's firm produce? -(Table: Total Cost and Output)Use Table: Total Cost and Output,which describes Sergei's costs for his perfectly competitive all-natural ice cream firm.If the market price of a tub of ice cream is $67.50,how many tubs of ice cream will Sergei's firm produce?

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A perfectly competitive industry with constant costs initially operates in long-run equilibrium.When demand increases,in the long run and the short run:

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Use the following to answer question: Use the following to answer question:   -(Figure: Revenues,Costs,and Profits for Tomato Producers III)Use Figure: Revenues,Costs,and Profits for Tomato Producers III.The market for tomatoes is perfectly competitive.If market price of a bushel of tomatoes is $18,in the short run the farmer's profit-maximizing output is _____ bushels. -(Figure: Revenues,Costs,and Profits for Tomato Producers III)Use Figure: Revenues,Costs,and Profits for Tomato Producers III.The market for tomatoes is perfectly competitive.If market price of a bushel of tomatoes is $18,in the short run the farmer's profit-maximizing output is _____ bushels.

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Use the following to answer question: Use the following to answer question:   -(Figure: A Perfectly Competitive Firm in the Short Run)Use Figure: A Perfectly Competitive Firm in the Short Run.The firm's total economic profit at its most profitable level of output is: -(Figure: A Perfectly Competitive Firm in the Short Run)Use Figure: A Perfectly Competitive Firm in the Short Run.The firm's total economic profit at its most profitable level of output is:

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Use the following to answer question: Use the following to answer question:   -(Table: Total Cost and Output)Use Table: Total Cost and Output,which describes Sergei's total costs for his perfectly competitive all natural ice cream firm.If there are 100 firms in the all-natural ice cream industry,which point falls on the industry short-run supply curve (assuming firms can only produce whole quantities of output)? -(Table: Total Cost and Output)Use Table: Total Cost and Output,which describes Sergei's total costs for his perfectly competitive all natural ice cream firm.If there are 100 firms in the all-natural ice cream industry,which point falls on the industry short-run supply curve (assuming firms can only produce whole quantities of output)?

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Use the following to answer question: Use the following to answer question:   -(Figure: Total Cost for Tomato Producers)Use Figure: Total Cost for Tomato Producers.The market for tomatoes is perfectly competitive.The market price of a bushel of tomatoes is $14.The farmer's total cost at the profit-maximizing number of bushels is: -(Figure: Total Cost for Tomato Producers)Use Figure: Total Cost for Tomato Producers.The market for tomatoes is perfectly competitive.The market price of a bushel of tomatoes is $14.The farmer's total cost at the profit-maximizing number of bushels is:

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Use the following to answer question: Use the following to answer question:   -(Table: Variable Costs for Lawns)Use Table: Variable Costs for Lawns.During the summer,Alex runs a lawn-mowing service,and lawn-mowing is a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of mowing each of the lawns from 1 through 10 is $10.Also assume that he can only mow the quantities of lawn given in the table (and not numbers in between).His only fixed cost is $1,000 for the mower.His variable costs include fuel,his time,and mower parts.If the price for mowing a lawn is $40,how much is Alex's profit at the profit-maximizing output? -(Table: Variable Costs for Lawns)Use Table: Variable Costs for Lawns.During the summer,Alex runs a lawn-mowing service,and lawn-mowing is a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of mowing each of the lawns from 1 through 10 is $10.Also assume that he can only mow the quantities of lawn given in the table (and not numbers in between).His only fixed cost is $1,000 for the mower.His variable costs include fuel,his time,and mower parts.If the price for mowing a lawn is $40,how much is Alex's profit at the profit-maximizing output?

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Use the following to answer question: Use the following to answer question:   -(Table: Variable Costs for Lots)Use Table: Variable Costs for Lots.During the winter,Alexa runs a snow-clearing service in a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of clearing each of the lots from 1 through 10 is $20.Also assume that she can only plow the quantities of the lots given in the table (and not numbers in between).Her only fixed cost is $1,000 for a snowplow.Her variable costs include fuel,her time,and hot coffee.Which point falls on Alexa's short-run supply curve? -(Table: Variable Costs for Lots)Use Table: Variable Costs for Lots.During the winter,Alexa runs a snow-clearing service in a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of clearing each of the lots from 1 through 10 is $20.Also assume that she can only plow the quantities of the lots given in the table (and not numbers in between).Her only fixed cost is $1,000 for a snowplow.Her variable costs include fuel,her time,and hot coffee.Which point falls on Alexa's short-run supply curve?

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Use the following to answer question: Use the following to answer question:   -(Figure: The Profit-Maximizing Firm in the Short Run)Use Figure: The Profit-Maximizing Firm in the Short Run.If the market price is less than P<sub>2</sub>,the firm will _____ in the short run. -(Figure: The Profit-Maximizing Firm in the Short Run)Use Figure: The Profit-Maximizing Firm in the Short Run.If the market price is less than P2,the firm will _____ in the short run.

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Suppose that some firms in a perfectly competitive industry are earning positive economic profits.In the long run,the:

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