PreparED Study Materials
ECON 1401: Principles of Microeconomics
School: Massachusetts Institute of Technology (MIT)
Number of Notes and Study Guides Available: 141
Notes
Study Guides
Videos
Ceteris Paribus: Simplifying Complex Economic Analyses & Predictions
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Discover the role of "ceteris paribus" in economics, a foundational assumption simplifying analyses. Understand its application in variable isolation, policy analysis, and model building. Gain insights into how economists use this tool for clarity in complex scenarios.
Deciphering Economic Gears: Calculating Private Investment
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Discover the intricate components of an economy, including savings, budgets, and trade balances. Learn how these elements interconnect and influence private investment. Understand an economic identity that determines an economy's investment levels.
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.
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.
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.
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.
