Modern Principles: Macroeconomics
Modern Principles: Macroeconomics
4th Edition
ISBN: 9781319098773
Author: Tyler Cowen, Alex Tabarrok
Publisher: Worth Publishers
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Question
Chapter A, Problem 1Q
To determine

Positive slope and negative slope.

Expert Solution & Answer
Check Mark

Explanation of Solution

Graphs B and D have positive slopes. This is because in graph B, long-term unemployment increases as the rigidity of employment index increases, and in graph D, the supply curve of oil shows an increase in the quantity supplied of oil with increase in price.

Graphs A and C have negative slopes. This is because graph A shows the demand curve of oil, which shows decrease in the quantity demanded of oil with increase in price. In graph C, GDP decreases as the percentage of child labor force increases.

Economics Concept Introduction

Concept Introduction:

Slope: A slope is the value that makes a variation in the dependent variable by making one unit change in the independent value.

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