Consider the following two equations for the demand and supply: Supply curve: Qs = 10 + 2P Demand curve: Qd = 30 − 12P (a) What is the value of the equilibrium price? (b) What is the equilibrium quantity?

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter5: Markets In Motion And Price Controls
Section: Chapter Questions
Problem 10P
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  1. Consider the following two equations for the demand and supply: Supply curve: Qs = 10 + 2P Demand curve: Qd = 30 − 12P

(a) What is the value of the equilibrium price?

(b) What is the equilibrium quantity?

  1. Suppose that clothes workers at a certain factory accept a pay cut of $3 per hour.

(a) Draw a graph to show how this would affect the market for clothes.

(b) Why does this shift occur? How does that affect the equilibrium price and quantity?

  1. Suppose that the price of product A increases from $10 to $19. As a result, quantity demanded for product B changes from 300 to 265.

What can we say about products A and B? Explain.

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