PreparED Study Materials
EC 201: Microeconomics
School: Portland State University
Number of Notes and Study Guides Available: 6
Notes
Videos
Explaining Economic Logic of Purchasing-Power Parity
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This video explains the theory of Purchasing Power Parity (PPP) in economics, emphasizing how it relies on the "law of one price" and illustrating how exchange rates should adjust to equalize purchasing power between nations in the long run. It also demonstrates how price disparities for products like iPhones can lead to currency exchange rate adjustments and eventually equalized prices.
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.
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.
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.
Balancing Investments: Opportunity Costs and Economic Returns Explaine
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Learn about the intricacies of opportunity cost and its broader implications. Delve into the balance between human and physical capital, understanding the risks of overinvestment. Grasp the Law of Diminishing Marginal Returns and its effects on national strategies.
Scarcity: Balancing Infinite Wants with Limited Resources in Economics
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Explore the fundamental concept of scarcity in economics. Understand the tension between our infinite desires and the finite resources we have. Grasp how scarcity influences our choices, necessitating trade-offs in everyday decisions.













