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Master Your Economics OA: The Ultimate Comprehensive Review Guide & Pre-Assessment

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Ace your Economics Objective Assessment with our all-in-one review guide. This comprehensive PDF includes key concepts, graphs, formulas, and a focused Pre-Assessment to test your knowledge of microeconomics, macroeconomics, and global trade.

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Principles of Economics Comprehensive Review
Guide for OA and Pre-assessment Prep – Questions
Compiled from Modules 1-10 | 2025 WGU D089 OA
Practice Test


What is economics? - ...ANSWER...✓✓ A social science
focused on the allocation of scarce resources to produce
goods and services for maximum satisfaction.


Who is known as the Father of Economics? -
...ANSWER...✓✓ Adam Smith, a Scottish economist from
the 17th century.


What is the 'Invisible Hand' principle in economics? -
...ANSWER...✓✓ The concept that individuals pursuing
their own self-interest can benefit the whole market.


What does 'Laissez-faire' mean in economic terms? -
...ANSWER...✓✓ The absence of governmental control
over business.

,2|Page



What is the Division of Labor? - ...ANSWER...✓✓ The
specialization of individuals in specific parts of the
production process.


What is meant by 'Free trade'? - ...ANSWER...✓✓ Non-
governmental intervention in trading among nations, such
as no tariffs or quotas.


Define 'Free enterprise'. - ...ANSWER...✓✓ Non-
governmental intervention in the operation of commercial
enterprises.


What significant change occurred during the Industrial
Revolution? - ...ANSWER...✓✓ The introduction of
machines in factories in 18th century England.


What are the four sectors of the economy? -
...ANSWER...✓✓ Household, Business firm, Government,
and Rest of the World.


What is the role of the Household sector in the economy?
- ...ANSWER...✓✓ It acts as a consuming unit.

, 3|Page



What is the role of the Business firm sector? -
...ANSWER...✓✓ It acts as a producing unit.


How does the Government sector function in the
economy? - ...ANSWER...✓✓ It controls all other
economic activities, collects taxes, buys goods, and hires
labor.


What are the four factors of production? - ...ANSWER...✓✓
Land, Labor, Capital, and Entrepreneurship.


What is 'Opportunity cost'? - ...ANSWER...✓✓ The value of
the foregone alternative when a choice is made.


List the four economic activities of man. - ...ANSWER...✓✓
Production, Distribution, Exchange, and Consumption.


What is the goal of promoting economic efficiency? -
...ANSWER...✓✓ To produce more output using fewer
resources.

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