You take $100 you had kept under your mattressand deposit it in your bank account. If this $100stays in the banking system as reserves and if bankshold reserves equal to 10 percent of deposits, byhow much does the total amount of deposits in thebanking system increase? By how much does themoney supply increase?

Brief Principles of Macroeconomics (MindTap Course List)
8th Edition
ISBN:9781337091985
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter11: The Monetary System
Section: Chapter Questions
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You take $100 you had kept under your mattress
and deposit it in your bank account. If this $100
stays in the banking system as reserves and if banks
hold reserves equal to 10 percent of deposits, by
how much does the total amount of deposits in the
banking system increase? By how much does the
money supply increase?

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