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inputs
resources that go into production
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outputs
the results of production
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waste products
outputs that are not used either for consumption or in a further production process
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final goods
goods that are ready for the use by people
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accounting costs
the costs of a project, figured in terms of monetary outflows alone
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economic costs
coss of a project, including opportunity costs
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internal costs
the costs of a project, from the perspective of the economic actors making the decisions
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external costs
the costs of a project that are borne by persons, or entities such as the environment, that are not among the economic actors directly responsible for the activity
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technically efficient
the quality of a production process if no other process exists that can produce the same output with smaller quantities of some inputs and no more other inputs
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social costs of production
the costs of a project, both those borne by the economic actors involved and those borne by other, figured in terms of opportunity costs
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false economics
costs savings that are illusory because long-term and/or social costs have not been taken into account
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production function
an equation or graph that represents a mathematical relationship between types and quantities of inputs and the quantity of outputs. Y=f(natural cap, manufactured cap, human cap, social cap). Y = f(fixed input, varibale input)
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fixed input
an input to production that is fixed in quantity, no matter what the level of production
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variable input
an input to production that quantity of which can be quickly changed, resulting in changes in the level of production
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short run
a time period in which at least one input to production cannot be varied in quantity
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limiting factor
the fixed input that creats a capacity constraint
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capacity constraint
a case in which some fixed input limis the amount that can be produced in a given preiod of time
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long run
a time period in which all inputs to production can be varied in quantity
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total production curve
a curve showing the total amount of output that can be produced when the quantity of one input is varied
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marginal return
the additional quantity of output gained by using an additional unit of a variable input
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diminishing marginal returns
the case where the use of an additional unit of variable input produces a lesser additional quantity of output than did the previous unit of the input
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Constant marginal returns
the case where the use of additional unit of a variable input produces the same quantity of additional output as did the previous unit of the input
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increasing marginal returns
the case where the use of additional unit of a variable input produces a greater quanitity of additional output than did the previous unit of the input
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fixed cost
the cost associated with using fixed inputs, which is the same no matter what quantity of output is produced
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variable cost
the cost associated with using variable inputs, which rises with the qquantity of output
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total cost
the sum of fixed cost and variable cost
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total cost curve
a curve showing the total cost associated with producing various levels of output
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marginal cost
the cost associated with producing the last unit of output
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increasing marginal costs
the case where the cost of producing an additional unit of output rises as more output is produced
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constant marginal costs
case where the cost of producing an additional unit of output stays the same as more output is produced
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decreasing marginal costs
the case where the cost of producing an additional unit of output falls more output is produced
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average cost
cost per unit of output, computed as total cost divided by the quantity of output produced
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long run average cost
the cost of production, perunit of output when all inputs can be varied in quantity
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economies of scale
these occur when the long run average cost of production falls as the size of the enterprise increases
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constant returns to scale
these occur when the long run average cost of production stays the same as the size of the enterprise increases
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diseconomies of scales
these occur when the long run average cost of production rises as the size of the enterprise increases
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minimum efficient scale
the smallest size an enterprise can be and still benefit from low long run average costs
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maximum efficient scale
the largest size an enterprise can be and still benefit from low long run average costs
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input substitution
- increasing the use of some inputs, and decreasing that of others, while producing the samegood or service
- the case where the cost of producing an additional unit of output rises as more output is produced
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