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Unit 7 The firm and its customers Flashcards

(16 cards)

1
Q

Profit formula

A

PQ - (F + cQ)

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2
Q

Maximising profit

A

point of tangency between highest isoprofit curve and the demand curve

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3
Q

Cost function

A

C(Q) = F + cQ

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4
Q

Avg cost function

A

C(Q) / Q

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5
Q

What is the gap between the Avg Cost and the Marginal Cost function?

A

fixed cost per unit

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6
Q

Price elasticity of demand

A

measures the responsiveness of consumers to a price change
- steeper DC means the firm can raise the price w/o reducing sales very much (lower elasticity), eg necessary medicine
- flatter DC means Q changes a lot in response to a change in price (high elasticity), eg luxury cars

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7
Q

Elasticity equation

A

= (-P/Q) x (1/slope)

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8
Q

Marginal revenue

A

change in revenue when output increases by one unit

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9
Q

What is the zero isoprofit curve equal to?

A

The avg cost curve

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10
Q

Isoprofit curve equal to negative fixed costs??

A

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11
Q

Form of isoprofit curve??

A

AC + k/Q

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12
Q

Marginal cost

A

equals c, the extra money spent to produce 1 more unit

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13
Q

When is marginal cost not constant?

A

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14
Q

Elasticity > 1

A

Elastic

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15
Q

Elasticity

A

Inelastic

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