If the required reserve ratio is 15 percent, currency in circulation is $400 billion, then the m1 money multiplier is: 2.54.
Given:
Required reserve ratio (rr) = .15
Currency in circulation = $400 billion
Deposits = $1000 billion
Excess reserves = $1 billion
Using this formula
m 1 = 1 + ( C / D ) / [ r r + ( E R / D ) + ( C / D ) ]
Where:
C/D = currency ratio
ER/D = excess reserves ratio
Let plug in the formula
m 1 = 1 + ( 400 / 1000 ) / ( .15 + ( 1 / 1000 ) + ( 400 / 1000 ) )
m 1 = 1.4 / ( .15 + .001+ .4 )
m 1 = 1.4 / .551
m 1 = 2.54
Therefore If the required reserve ratio is 15 percent, currency in circulation is $400 billion, then the m1 money multiplier is: 2.52.
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