The “Multiplier” in Economic Literature Available to Purchase

From time to time various economists have been attracted to the idea of a multiplier. Probably the most noted and most discussed has been the Keynesian Multiplier — the relation of an increase in investment to an increase in income. However, the term, or at least the concept, has been used explicitly or implied in the writing of other economists. The purpose of this note is to explore the concept a little more deeply than has been customary.