PreparED Study Materials
ECON 280: Introduction to Economics
School: Northern Arizona University
Number of Notes and Study Guides Available: 7
Notes
Study Guides
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.
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.
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.
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.
Yen vs Dollar: Decoding Nominal vs Real Exchange Rates in Trade
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Grasp the distinction between nominal and real exchange rates, using the yen and dollar as examples. Learn how these rates influence purchasing power in different economies. Understand their implications in the global trade landscape.
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.