The Growth definition of Economics was introduced by / » Fundamentals of Economics solved MCQs / By admin Question: The Growth definition of Economics was introduced by A. J.M.Keynes and P.A. Samuelson B. Adam Smith C. Alfred Marshall D. Lionel Robbins Answer» a. J.M.Keynes and P.A. Samuelson Note: The above multiple-choice question is for all general and Competitive Exams in India.