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results from the exclusion of certain groups of subjects from a population frame.
Transfer Payments
Payments made by the government to individuals or organizations without requiring any goods or services in return, such as welfare checks or social security.
Business Cycle
The fluctuations in economic activity that an economy experiences over a period, typically characterized by expansion (growth) and contraction (recession) phases.
MPC
The marginal propensity to consume, which represents the portion of additional income that a household spends on consumption instead of saving.
Multiplier
In economics, a factor by which a change in one economic variable, such as spending, leads to a greater change in another variable, such as GDP.
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