Examlex
A study on the effects of race on the length of prison sentences found no significant difference regarding the length of the sentences as a function of race (Spohn & Holleran, 2000). The independent variable in this study was race.
Short Run
A period in which at least one factor of production is fixed and cannot be changed.
Purely Competitive Industry
A market structure characterized by many small firms producing identical products, with no single firm able to influence market prices.
Long Run
A period of time in economics where all factors of production and costs can be varied, allowing for the adjustment of all inputs.
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