Essentials of Economics
Essentials of Economics
4th Edition
ISBN: 9781464186653
Author: Paul Krugman, Robin Wells
Publisher: Worth Publishers
Question
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Chapter 9, Problem 1P
To determine

Concept Introduction:

Price Effect: After a change in price, each additional unit was sold at a changed price. This will result in an increase or decrease in revenue of the producer. This is known as the price effect on the revenue.

Quantity effect: After an increase or decrease in price, fewer units are sold which results in lower revenue. This is known as the quantity effect on the revenue.

Expert Solution & Answer
Check Mark

Explanation of Solution

a. Price and Quantity effect for BASF.

  • From the table, it is clear that if BASF will produce 10 more tons, then the price will fall from $4 to $3 per ton. So, with the fall in price BASF has to reduce price of each of the 40 tons.
  • Price effect will be:
    Essentials of Economics, Chapter 9, Problem 1P , additional homework tip  1
  • Quality effect will be the price at which additional 10 tons were sold:
    Essentials of Economics, Chapter 9, Problem 1P , additional homework tip  2
  • As the marginal cost is zero, additional production will not incur any extra cost on BASF, but it will incur either loss or revenue due to an increase in production; therefore it has no incentive to produce 10 tons of an additional unit.

Conclusion:

Thus, the price effect is Essentials of Economics, Chapter 9, Problem 1P , additional homework tip  3and the quantity effect is $30.

b. Price and Quantity effect for BASF when Roche enters the market:

  • If BASF wants to produce 10 more tons then the price will fall from $4 to $3 per ton.
  • Due to the duopoly type of market, with the fall in price, BASF must reduce the price on each of the 20 tons only.
  • Price effect will be:
    Essentials of Economics, Chapter 9, Problem 1P , additional homework tip  4
  • Quality effect will be the price at which an additional 10 tons were sold:
    Essentials of Economics, Chapter 9, Problem 1P , additional homework tip  5
  • As the marginal cost is zero, the additional production will not incur any additional cost on BASF. Revenue will be increased by $10 with an increase in production.

Conclusion:

Thus, the price effect is Essentials of Economics, Chapter 9, Problem 1P , additional homework tip  6and the quantity effect is $30.

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