PreparED Study Materials
Videos
"Economics Basics: Circular-Flow Diagram Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Unpacking Long-Run Growth: The Pivotal Role of Rising Productivity
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unravel the complexities of long-run economic growth and its driving factors. Discover why rising productivity stands out as the cornerstone of sustainable economic expansion. Understand the role of various elements in shaping a nation's economic trajectory.
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.
Explaining Economic Logic of Purchasing-Power Parity
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Unraveling Economic Equations: From Price Level to Velocity of Money
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
Ceteris Paribus: Simplifying Complex Economic Analyses & Predictions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.


















