12.1. The wealth effect, interest-rate effect, and exchange-rate effect all help explain why the aggregate demand curve is downward sloping. Phyllis, a fellow student in your Macro class, suggests that the substitution effect that you learned about in Unit 1 also explains why aggregate demand curve is downward sloping. She reasons that since it explains why a market demand curve is downward sloping, it must also be valid for aggregate demand. Explain why Phyllis is wrong.

Match the terms with the appropriate definition. 1. unpaid work done for a person or an organization lifestyle budget 2. any task that is useful volunteer work 3. a state-required legal document giving employees younger than eighteen years old permission to work work 4. a good or service that is desirable but not necessary want 5. wage amount after deductions are withheld net wage 6. lists the costs of items you choose to spend your money on work permit 7. the people who are both able and willing to work

Kando company incurs a $9 per unit cost for product a, which it currently manufactures and sells for $13.50 per unit. instead of manufacturing and selling this product, the company can purchase product b for $5 per unit and sell it for $12 per unit. if it does so, unit sales would remain unchanged and $5 of the $9 per unit costs assigned to product a would be eliminated. 1. prepare incremental cost analysis. should the company continue to manufacture product a or purchase product b for resale? (round your answers to 2 decimal places.)

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