In a competitive market, why is movie theater popcorn expensive?
John R. Lott, Jr. and Russell D. Roberts argue that popcorn in movie theaters has a price commensurate with its much higher cost. See also Lott's criticism of the Gil and Hartmann paper.
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### Instruction:
In a competitive market, why is movie theater popcorn expensive?

### Response:
John R. Lott, Jr. and Russell D. Roberts argue that popcorn in movie theaters has a price commensurate with its much higher cost. See also Lott's criticism of the Gil and Hartmann paper.