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Formula for profit
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total revenue - total cost
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Formula for total revenue
answer
Price x Quantity
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formula for total cost
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fixed cost + variable cost
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total fixed cost
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The total costs of inputs that are fixed, cannot be changed in the short run
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Total Variable Cost (TVC)
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The total costs of inputs that are variable, can be changed in the short run
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Average fixed costs
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The average fixed cost per unit of output. (AFC=TFC/Y)
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Average Variable Cost
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The average variable cost per unit of output. (AVC=TVC/Y)
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Average Total Costs
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The average total cost per unit of output. (ATC=AVC+AFC)
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Formula for Marginal cost
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The change in Total cost divided by the change in output
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What types of returns do our typical production function exhibit
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Increasing, decreasing, and negative
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Marginal Physical Product
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The amount of additional or marginal TPP obtained from using an additional unit of variable input. Ceterus Peribus. MPP=Change of Y divided by change in X
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What is typically the slope of the function
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MPP
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What is economics
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The study of human behavior and how choices, motives, and incentives impact how scarce resources are allocated across completing ends
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Ceteris Peribus
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Holding all else constant
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positive economics
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Factual statements that contain no value judgements
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normative economics
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Statements of opinion and/or value. Describe what should be.
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Producer
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An individual or firm that produces
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Consumer
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An individual or firm that purchases a good or service
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What is a good?
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A physical product
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What is a service?
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An intangible product (Haircut)
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What is an economic good?
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A good that is scarce
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What does A stand for?
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Land
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What does the L stand for?
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Labor
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What does the K stand for?
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Capital
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What does the M stand for?
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Management
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Fixed input
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An input whose quantity does not vary with the level of output
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Variable input
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An input whose quantity does vary with the level of output
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The production function
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the physical relationship between inputs and outputs
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Average Physical Product
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The average productivity of each unit of variable input used. (APP=Y/X)
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Law of Diminishing Marginal Returns
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As additional units of one input are combined with a fixed amount of other inputs, a point is always related at which the additional output produced from the last unit of added input will decline
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Short run
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Not enough time to change very decision
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Long run
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Long enough to change any decision