Define Internal and External Validity, and Give an Example Illustrating

question 15

Essay

Define internal and external validity, and give an example illustrating each.

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Definitions:

Macroeconomic Problem

Issues or challenges affecting an entire economy, such as inflation, unemployment, and economic growth.

Equilibrium Level

In economics, the point at which market supply equals demand, and there is no tendency for change in price or quantity.

Potential Level

The maximum output an economy can produce without leading to inflation, when resources such as labor and capital are fully utilized.

Classical Economists

Economists from the 18th and 19th centuries who focused on the ideas of free markets, the law of supply and demand, and the role of competition in regulating economic activity.