PreparED Study Materials
ECON 202: Introductory Macroeconomic Analysis and Policy
School: Oregon State University
Number of Notes and Study Guides Available: 3
Notes
Study Guides
Videos
Positive vs. Normative Economics: Decoding Economic Statements Explain
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Distinguish between positive and normative economic statements with real-world examples. Grasp the difference between objective explanations and value judgments in economics. Master the foundations of economic thought and their application.
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.
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.
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.
Micro vs. Macro: Unraveling the Twin Pillars of Economic Study Explain
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Unpack the primary subdivisions of economics: Microeconomics, centered on individual economic agents, and Macroeconomics, which looks at broader economic trends. Understand the core differences and inherent connections between these two fields. Explore real-world examples to comprehend their implications.
Storm Effects on Factor Markets: Wages and Capital Renta
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In the scenario presented, a ferocious storm causes damage to multiple factories, impacting the stock of capital. This, in turn, has consequences for factors in the market, affecting both wages and the rental price of capital.









