PreparED Study Materials
ECON 110: The Global Majority
School: American University
Number of Notes and Study Guides Available: 0
Videos
Comparing Four-firm Ratio & HHI: Assessing Market Concentration & Powe
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Explore the differences between the Four-firm Concentration Ratio and the Herfindahl-Hirschman Index. Understand how they assess market concentration and dominance. Get insights into market power dynamics by comparing these two indices.
Frictional Unemployment: Role & Reducing its Impact
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Explore the dynamics of frictional unemployment in a constantly changing economy. Learn about government roles and strategies in mitigating its impacts. Understand how workforce transitions can be made smoother with informed interventions.
5% Money Supply Boost: Impact on Aggregate Price & Inflation Explained
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Unravel the implications of a 5% money supply increase on the aggregate price level. Learn about the Federal Reserve's influence and the dynamics of demand, supply, and inflation. Grasp how changes in money supply can affect prices and economic balance.
Opportunity Cost Explained: Weighing Choices in Business Decisions
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Discover the principle of opportunity cost, distinguishing between explicit and implicit costs. Using the example of Hanna's Pizzeria, grasp how business decisions weigh the costs of forgone alternatives. Learn how these costs influence financial and economic choices.
Economists' Diverse Views: Advising Policymakers with Perspective
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Explore the multifaceted role of economists in society, their interpretation of complex economic data, and how they provide guidance to decision-makers. Discover why economists may offer conflicting advice due to varying economic theories, data interpretation, personal values, and political ideologies.
First Video In Our Three Part Series for Midterms
Intro to Economics: Understanding the Fundamentals of Spending
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Explore economics with a focus on scarcity, supply and demand, and elasticity. Gain practical insights into decision-making and economic principles that impact our world.


















