Macroeconomics 11th Edition by Michael Parkin

Exercise 8

In the United Kingdom, the currency drain ratio is 38 percent of deposits and the reserve ratio is 2 percent of deposits. In Australia, the quantity of money is $150 billion, the currency drain ratio is 33 percent of deposits, and the reserve ratio is 8 percent of deposits.
a. Calculate the U.K. money multiplier.
b. Calculate the monetary base in Australia.