Use a midpoint (averages) formula to calculate cross-price elasticities below for goods A, B, and C, with respect to price changes for good X.  Assume all else is held constant.  Hint: Signs matter. Price of X QDa QDb QDC $4 10 20 16 $5 13 20 13 What do the cross-price elasticities you calculated tell us about the relationships between goods A, B, and C, and good X?

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Chapter5: Elasticity Of Demand And Supply
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Use a midpoint (averages) formula to calculate cross-price elasticities below for goods A, B, and C, with respect to price changes for good X.  Assume all else is held constant.  Hint: Signs matter.

Price of X QDa QDb QDC
$4 10 20 16
$5 13 20 13

What do the cross-price elasticities you calculated tell us about the relationships between goods A, B, and C, and good X?

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