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Card 6

Front

PED is infinity - demand will fall to 0 if there is any change in price

Back

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Card 7

Front

Value of PED is between 0 and 1 - a % change in price will cause a smaller % change in quantity demanded

Back

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Card 8

Front

PED is 0 - change in price will have no effect on demand

Back

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Card 9

Front

PED is + or - 1 - % change in price is equal to the % change in demand

Back

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Card 10

Front

Value of YED is greater than 1

Back

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Card 11

Front

Value of YED is less than 1

Back

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Card 12

Front

YED is 0 - demand remains constant with income

Back

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Card 13

Front

XED is positive

Back

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Card 14

Front

XED is negative

Back

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Card 15

Front

production of one good or service involves the production of another - e.g. butane is a by product of producing petrol

Back

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