Examlex
Some states have recently adopted laws requiring photo identification to vote, even though voting fraud by impersonation is extremely rare.
Substitution
The economic principle of replacing one input or good for another due to changes in prices or preferences.
Indifference Curve
A graph representing different combinations of goods or services among which a consumer is indifferent, showing preference levels.
Utility Function
A mathematical representation of a consumer’s preference, showing the amount of satisfaction or utility derived from consuming various bundles of goods and services.
Perfect Complements
Pair of goods that are consumed together in fixed proportions because the consumption of one good enhances the consumption of the other.
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