Examlex
A measure is unreliable if it yields different results when it is used to measure different things.
Marginal Product of Labor
The additional output produced as a result of employing one more unit of labor.
Economies of Scale
The cost advantages that a business obtains due to expansion, where the average cost per unit of output decreases with increasing scale.
Diseconomies of Scale
The situation where long-run average costs start to increase as the scale of operation grows beyond a certain point, leading to increased per-unit costs.
Diminishing Returns
A principle in economics indicating that adding more of one factor of production, while holding others constant, will at some point yield lower incremental per-unit returns.
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