a demand given by Qs = 4000 - 100P. The marginal cost of one more alteration is constant and al to zero. (a) (b) What is the value of each demand's elasticity at the optimal price level? (c) What is the total consumer surplus (for both groups)? (d) Suppose that a regulation prohibits price discrimination. What is the optimal (uniform) price when the markets are combined? How much does the regulation cost the tailor in terms of forgone profits? (e) What happens to consumer surplus? Suppose that the tailor can charge different prices to each type of customer. What are the optimal prices? What is the total profit?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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**Question 3**

A local tailor has two types of customers, private customers and department stores. The market of private customers has a demand given by \( Q_P = 2000 - 100P \), and the market of department stores has a demand given by \( Q_S = 4000 - 100P \). The marginal cost of one more alteration is constant and equal to zero.

**(a)** Suppose that the tailor can charge different prices to each type of customer. What are the optimal prices? What is the total profit?

**(b)** What is the value of each demand’s elasticity at the optimal price level?

**(c)** What is the total consumer surplus (for both groups)?

**(d)** Suppose that a regulation prohibits price discrimination. What is the optimal (uniform) price when the markets are combined? How much does the regulation cost the tailor in terms of foregone profits?

**(e)** What happens to consumer surplus?
Transcribed Image Text:**Question 3** A local tailor has two types of customers, private customers and department stores. The market of private customers has a demand given by \( Q_P = 2000 - 100P \), and the market of department stores has a demand given by \( Q_S = 4000 - 100P \). The marginal cost of one more alteration is constant and equal to zero. **(a)** Suppose that the tailor can charge different prices to each type of customer. What are the optimal prices? What is the total profit? **(b)** What is the value of each demand’s elasticity at the optimal price level? **(c)** What is the total consumer surplus (for both groups)? **(d)** Suppose that a regulation prohibits price discrimination. What is the optimal (uniform) price when the markets are combined? How much does the regulation cost the tailor in terms of foregone profits? **(e)** What happens to consumer surplus?
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