Examlex
You use the :focus pseudo-class to specify styles for a form field when it has the focus.
Convex Isoquants
Curves that depict combinations of inputs that yield the same level of output in a production process, where convexity implies diminishing marginal rates of technical substitution.
Expansion Path
In economics, the curve that shows how a firm's production changes as it increases inputs, keeping the input mix proportionate.
Marginal Product
The additional output obtained by employing one more unit of a specific input, keeping all other inputs constant.
Perfect Substitutes
Two goods for which the marginal rate of substitution of one for the other is a constant.
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