Micro Formulas Flashcards

1
Q

Ratio of Opportunity Cost

A

other good
good

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2
Q

Demand/Supply Curve

A

Demand: intercept - (slope x price)
Supply: intercept + (slope x price)

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3
Q

PED/S

A

% change Q
% change P

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4
Q

YED

A

% change Q Demanded
% change Income

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5
Q

Marginal Product

A

Slope of Total Product

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6
Q

Average Product

A

Total Product
Variable Input

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7
Q

Economic Costs

A

Implicit (Opportunity) + Explicit

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8
Q

Average Costs

A

Total Costs
Output
or
Average Fixed + Average Variable

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9
Q

Average Variable Costs

A

Total Variable Costs
Output

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10
Q

Total Revenue

A

Price x Quantity

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11
Q

Marginal Revenue

A

Change Total Revenue
Change Output

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12
Q

Profit

A

Total Revenue - Total Economic Costs

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13
Q

Total Costs

A

Total Fixed + Total Variable
or
Average Costs*Quantity

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14
Q

Total Fixed

A

Average Fixed Costs x Quantity

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15
Q

Average Revenue (Price)

A

Total Revenue
Quantity Sold

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16
Q

Average Utility

A

Total Utility
Quantity

17
Q

Marginal Utility

A

Change Total Utility
Change Quantity

18
Q

XED (Cross Elasticity)

A

% change Q Good A
% change P Good B