Examlex
The heritability of longevity is
Leisure
Free time when one is not working or occupied; time available for ease, relaxation, and activities one enjoys.
Substitution Effect
Changes in what consumers purchase, brought about by alterations in the relative costs of goods, persuading consumers to opt for alternatives over their usual choices.
Income Effect
The correlation between income changes in an economy or for individuals and their effect on the quantity of goods and services demanded.
Opportunity Cost
The value of the next best alternative that is foregone when a decision is made to choose one option over another.
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