The multiplier effect refers to the proportional amount of increase, or decrease, in final income that results from an injection, or withdrawal, of capital. ∆M = 100 1−(1− f) = 100 f = 1000.In this video I explain the reserve requirement, the money multiplier, and how money is created. Calculate the money supply, the currency deposit ratio, the excess reserve ratio, and the money multiplier. b. Multiplier corresponding to the money multiplier effect on business revenues, personal incomes, and increased employment in the local economy. We have reviewed the Independent Auditor's Report of Fairview Park City School District, Cuyahoga.