PreparED Study Materials
ECON 2002.01: Principles of Macroeconomics
School: Ohio State University
Number of Notes and Study Guides Available: 0
Videos
Barter to Money: How Double-Coincidence of Wants Evolved Trade
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the historical barter system and its challenges, particularly the double-coincidence of wants. Witness how the need for simpler transactions led societies from direct barter to embracing mediums of exchange like money.
Analyzing Trade Policies' Impact on Producers, Consumers, and Trade
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
In this video, the concepts of tariffs and trade policies are explained, highlighting how tariffs affect the cost of imported goods and how trade policies control imports and exports. The video then examines four trade policy scenarios, emphasizing their impact on producers, consumers, and trade, ultimately identifying the correct answer as option c, which fulfills all the specified conditions.
Deciphering Economic Gears: Calculating Private Investment
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Positive vs. Normative Economics: Decoding Economic Statements Explain
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Elasticity & Trade: How Demand Shapes Economic Gains for Nations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore how elasticity of demand impacts gains from trade in economies. Understand the relationship between demand elasticity and benefits for consumers and producers. Debunk misconceptions about inelastic demand and trade gains.
Economists' Diverse Views: Advising Policymakers with Perspective
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.



















