PreparED Study Materials
ECON 202: Principles of Macroeconomics
School: West Virginia University
Number of Notes and Study Guides Available: 6
Notes
Videos
Barter to Money: How Double-Coincidence of Wants Evolved Trade
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Explore the historical barter system and its challenges, particularly the double-coincidence of wants. Witness how the need for simpler transactions led societies from direct barter to embracing mediums of exchange like money.
Monopolies & Price Discrimination: Myths, Truths & Insights
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Explore the intricacies of monopolies and price discrimination in the market. Unpack myths and truths about consumer behavior and pricing strategies. Real-life examples illuminate these fundamental economic concepts.
"Economics Basics: Circular-Flow Diagram Explained
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Explore the fundamental concept of the circular-flow diagram in economics, which simplifies the intricate interactions between households and firms. Includes examples illustrating how money, labor, and services flow between these economic actors.
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.
Demystifying Assumptions: Economists' Key to Decoding Complex Markets
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Discover the pivotal role of assumptions in economics as we navigate the challenges of studying intricate market behaviors and human actions. Unveil how these simplifications foster comprehensive economic analyses and predictions.
Price Elasticity: Mid-Point Method & Its Practical Significance
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Grasp the essentials of price elasticity of demand through various calculation methods. Dive deep into the unique and consistent mid-point method, understanding its relevance in fluctuating markets. Learn its practical application in analyzing market dynamics.









