If total deposits = 250. Complete the table below demonstrating your knowledge of bank reserves and the power of the money multiplier.The size of expansion of the money supply depends on the money multiplier. The formula for the money multiplier is easy. In this video I explain the reserve requirement, the money multiplier, and how money is created. Often, the impact analysis is concerned with multiplier effects, or the amount of money that is re- circulated through the economy after an initial expenditure.