Question

To explain business cycles, who used the concepts of Multiplier and Accelerator?​

Answer 1

Answer:

The multiplier–accelerator model (also known as Hansen–Samuelson model) is a macroeconomic model which analyzes the business cycle. This model was developed by Paul Samuelson, who credited Alvin Hansen for the inspiration.

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Answer 2

Samuelson, J.R. Hicks, R.F. Harrod and A. Hansen have made fairly successful attempts to integrate the two parallel concepts and have introduced certain remarkable improvements. Neither the multiplier nor the accelerator taken alone can act.