PreparED Study Materials
ECS 101: Economics
School: Worcester Polytechnic Institute
Number of Notes and Study Guides Available: 2
Notes
Videos
Barter to Money: How Double-Coincidence of Wants Evolved Trade
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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.
"Economics Basics: Circular-Flow Diagram Explained
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Explore the fundamental concept of the circular-flow diagram in economics, which simplifies the intricate interactions between households and firms. Includes examples illustrating how money, labor, and services flow between these economic actors.
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.
Urban Development: New Cities' Impact and Equilibrium
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This video explores urban utility curves, workforce dynamics, and the impact of creating new cities on growth and equilibrium, with a focus on the utility of workers.
First Video In Our Three Part Series for Midterms
Intro to Economics: Understanding the Fundamentals of Spending
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Explore economics with a focus on scarcity, supply and demand, and elasticity. Gain practical insights into decision-making and economic principles that impact our world.
Elasticity & Trade: How Demand Shapes Economic Gains for Nations
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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.

