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Average Total Cost: Short Run and Long Run definitions

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  • Short Run
    A period where some costs remain fixed due to prior commitments, limiting flexibility in production decisions.
  • Long Run
    A timeframe in which all costs become variable, allowing firms to adjust production capacity and reevaluate past choices.
  • Fixed Costs
    Expenses that do not change with output in the short run, often resulting from contracts or investments.
  • Variable Costs
    Expenses that fluctuate with production levels, becoming adjustable in the long run.
  • Average Total Cost
    The per-unit expense of production, combining both fixed and variable costs, depicted as a curve on a graph.
  • Short Run Average Total Cost Curve
    A graphical representation showing how per-unit costs change with output when some costs are fixed.
  • Long Run Average Total Cost Curve
    A curve tracing the lowest possible per-unit costs across all short run scenarios as output varies.
  • Economies of Scale
    A phase where increasing output leads to lower per-unit costs due to factors like specialization and bulk purchasing.
  • Constant Returns to Scale
    A range where per-unit costs remain stable as output increases, indicating optimal production efficiency.
  • Diseconomies of Scale
    A situation where expanding output causes per-unit costs to rise, often due to coordination and management challenges.
  • Minimum Efficient Scale
    The smallest output level at which all cost-saving benefits from economies of scale are fully realized.
  • Specialization
    The process of assigning specific tasks to workers, enhancing productivity and reducing costs in early production stages.
  • Bulk Purchasing
    Acquiring large quantities of inputs to secure discounts, contributing to lower per-unit costs.
  • Production Capacity
    The maximum output a firm can achieve based on its current resources and facility size.
  • Coordination Problems
    Difficulties in managing large-scale operations, leading to inefficiencies and higher costs as firms grow.