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Fixed Costs
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Costs that are fixed irrespective of the level of output
E.g. rent for a building
E.g. rent for a building
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Variable Costs
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Which vary with the level of output
E.g. Each extra unit of a good produced will require additional units of raw materials, Labour, etc.
E.g. Each extra unit of a good produced will require additional units of raw materials, Labour, etc.
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Total Cost =
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Fixed cost + Variable cost
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Total Revenue =
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Price x Quantity
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Break even output occurs when
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At output Q* where TC = TR
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Linear Equations have no?
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Exponents
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Price Elasticity of Demand
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A measure of how much the quantity demanded of a good responds to a change in the price of that good
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Price elasticity of demand =
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Percentage change in quantity demanded / percentage change in price
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An example of a linear demand function is
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Q = a - bP
Where P = Price
Where P = Price
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An example of a linear indirect demand is
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P = a - BQ
Where Q = Quantity
Where Q = Quantity
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Several Variables that influence the quantity supplied of good X
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Q
P
C
P1
Te
N
O
P
C
P1
Te
N
O
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Q =
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The quantity of good x supplied
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P =
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The price of the good itself
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C =
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The cost of production
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Po =
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Is the price of other goods
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Te =
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Is the available technology
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N =
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The number of producers in the market
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O =
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is the other factors like taxes or subsidies
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A price taking firm is known as a ?
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Perfectly competitive firm
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Tr = PoQ
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Where Po is the constant price of the good and is represented by the vertical intercept of a horizontal demand function
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Profit
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TR-TC
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Breakeven Point =
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TR = TC
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Point elasticity of Demand =
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Ed = percent change in quantity demanded / percent change in price X P/Q