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First reading:
1. point out a previous view, two possible explanation of the view
2. Further details of the second explanation
3. Example of second explanation
4. The effect of POPH
Main idea: present and explain a view regarding to consumer expenditure
Second reading:
1. According to research, even price is important to consumer's decision, most consumers do little prework for durable goods and less price comparison. The passage will figure out the reason that price didn't increase with variation of price (durable goods); first: underestimated ( not working); second: the psychological utility derives from the amount of money saving is inversely related to the price of item.
2. Further explanation of the second possible reason. Point out a new term " psychophysics of price heuristic"
3. Example to certify the above possibility.
The POPH would reduce consumer's search and further greater market price variation.
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