Examlex
A composite key usually comprises fields that are foreign keys in other tables.
Diminishing Marginal Returns
A principle in economics that indicates a decreasing level of incremental output for each additional unit of input, after a certain point.
Total Product
The aggregate quantity of output produced by an economic unit from a given set of inputs during a specific period of time.
Variable Cost
Costs that change in direct proportion to changes in a firm’s level of production.
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