Examlex
For a normal distribution, the probability of a value being between a positive z-value and its population mean is the same as that of a value being between a negative z-value and its population mean.
Income Effect
The impact on an individual's or economy's purchasing power from an increase or decrease in income, which subsequently affects the quantity demanded for goods and services.
Substitution Effect
The change in consumption that occurs when a price change for one good causes a consumer to replace that good with a more or less expensive substitute.
Price Change
An alteration in the cost of goods or services in the market.
Income
The amount of money received by an individual or entity, usually in exchange for labor or services, or through returns on investments.
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