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9_IS-LM model 9_IS-LM model 9_IS-LM model 9_IS-LM model
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a) After the invention of a new high-speed computer chip, many firms decide to upgrade their computer systems.

b) A wave of credit-card fraud increases the frequency with which people make transactions in cash.

c) A best-seller titled Retire Rich convinces the public to increase the percentage of their income devoted to saving.

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