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TPP (Total Physical Product)
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The total amount of output produced by a given level of a variable input
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MPP (Marginal Physical Product)
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The additional output that can be produced by adding one more unit of specific input, CETERIS PARIBUS
MPP = Change TPP/Change X = TPP2-TPP1/ X2-X1
MPP = Change TPP/Change X = TPP2-TPP1/ X2-X1
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APP (Average Physical Product)
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The average amount produced by each unit of a variable factor of production
APP= TPP/X
APP= TPP/X
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Stage 1
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TPP is increasing
APP is increasing
MPP increases, reaches a maximum & begins diminishing
APP is increasing
MPP increases, reaches a maximum & begins diminishing
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Stage 2
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TPP is increasing
APP is decreasing
MPP is decreasing and less than APP, but still positive
Rational stage of production
APP is decreasing
MPP is decreasing and less than APP, but still positive
Rational stage of production
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Stage 3
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TPP is decreasing
APP is decreasing
MPP decreasing and negative
APP is decreasing
MPP decreasing and negative
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Total Value Product (TVP)
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The total value of output
TVP = TPP*Price
TVP = TPP*Price
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Marginal Value Product (MVP)
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The value of additional output from an additional unit of input
MVP = MPP*Price
MVP = MPP*Price
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Fixed Cost (FC)
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Costs that DO NOT change as output changes
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Variable Costs (VC)
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Costs that change with the level of output
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Total Costs (TC)
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TC=FC+VC
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Key Cost Relationships
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Average Fixed Cost (AFC) = TFC/output
Average Variable Cost (AVC) = TVC/output
Average Total Cost (ATC) = TC/output or AFC+AVC
Marginal Cost (MC) = changeTC/ Change(output)
Average Variable Cost (AVC) = TVC/output
Average Total Cost (ATC) = TC/output or AFC+AVC
Marginal Cost (MC) = changeTC/ Change(output)
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Revenue
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Total Revenue
TR= Price X Quantity
Average Revenue
AR= TR/ output
TR= Price X Quantity
Average Revenue
AR= TR/ output
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Marginal Revenue
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Marginal Revenue (MR)
MR = changeTR/change(output)
MR = changeTR/change(output)
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Profit Maximizing Rule
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Product output where MC=MR
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Breakeven point
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MC (marginal cost) = ATC (average total cost)
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Shutdown point
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MC (marginal cost) = AVC (average variable cost)
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Short Run Decision
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Above shutdown price- covering some of fixed costs
Short-run Supply Curve is the MC curve above the AVC curve
Short-run Supply Curve is the MC curve above the AVC curve