 # A change in which of the following will NOT shift the demand curve for hamburgers? a. the price of hot dogs b. the price of hamburgers c. the price of hamburger buns d. the income of hamburger consumers ### Principles of Microeconomics

7th Edition
N. Gregory Mankiw
Publisher: Cengage Learning
ISBN: 9781305156050 ### Principles of Microeconomics

7th Edition
N. Gregory Mankiw
Publisher: Cengage Learning
ISBN: 9781305156050

#### Solutions

Chapter
Section
Chapter 4, Problem 1CQQ
Textbook Problem

## A change in which of the following will NOT shift the demand curve for hamburgers?a. the price of hot dogsb. the price of hamburgersc. the price of hamburger bunsd. the income of hamburger consumers

Expert Solution
To determine
The determinants of the demand curve.

Option ‘b’ is the correct answer.

### Explanation of Solution

Option (b):

A change in price of hamburgers leads to a movement along the demand curve and not a shift of the demand curve because price is measured on the vertical axis of a demand curve.  Thus, option ‘b’ is correct.

Option (a):

Hot dogs can be considered as substitutes of hamburgers. A change in the price of a substitute good shifts the demand curve of a good. Thus, a change in price of hot dogs shifts the demand curve of hamburgers. So, option ‘a’ is incorrect.

Option (c):

Hamburger buns can be considered as complementary goods of hamburgers. A change in the price of a complementary good shifts the demand curve of a good. Thus, a change in the price of hamburger buns shifts the demand curve of a hamburger. So, option ‘c’ is incorrect.

Option (d):

A change in the income of a consumer of a good shifts the demand curve of that good. Thus, a change in the income of hamburger consumers shifts the demand curve of hamburger. So, option ‘d’ is incorrect.

Economics Concept Introduction

Concept introduction:

Complementary good: It is agood with a negative cross elasticity of demand, that is, a good whose demand is increased when the price of another good is decreased.

Substitute good: It is agood with a positive cross elasticity of demand, that is, a good whose demand is decreased when the price of another good is decreased.

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