_______ function was designed by J M Keynes to show the relationship between realdisposable income and consumer spending. May 6, 2021 by admin Question: _______ function was designed by J M Keynes to show the relationship between realdisposable income and consumer spending. A. Consumption B. Investment C. Demand D. Utility Answer» a. Consumption Note: The above multiple-choice question is for all general and Competitive Exams in India.