PreparED Study Materials
ECON 370: Environmental Economics
School: Northwestern University
Number of Notes and Study Guides Available: 0
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.
Lags in Monetary and Fiscal Policy Impact on Aggregate Demand
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This video explores the causes of lags in the impact of monetary and fiscal policy on aggregate demand, drawing analogies to recognizing seasonal changes, adjusting cooking temperatures, and waiting for planted seeds to grow, and discusses the implications of these lags for the debate between active and passive economic policy approaches.
Unraveling Economic Equations: From Price Level to Velocity of Money
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Discover how to calculate the price level and velocity of money using real-life data. Understand the relationship between money supply, GDP, and prices in the economy. Gain insights into the Federal Reserve's strategies for managing inflation and price stability.
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.
Theory of Liquidity Preference: Interest Rate Adjustment
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In this video, we explore the theory of liquidity preference, which focuses on how an economy's interest rate adjusts to balance supply and demand for money. We evaluate a multiple-choice question and discuss each option's alignment with various economic theories without revealing the correct answer.
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.

















