When frank sells a pie to jean instead of sarah, the economic value created in society is lower because of the difference in consumer surplus.
Consumer surplus occurs when a consumer pays a price that is lesser for a goods than the actual price they are willing to pay for a product.
Difference in consumer surplus occurs because Frank now has more customers and he can now sell at a price lower than the consumer would pay.
Therefore, Frank sells a pie to jean instead of sarah,when the economic value created in society is lower because of the difference in consumer surplus.
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