CUET Economics - What is the Marginal Rate of Substitution(MRS)? (A) The rate at which a consumer is willing to substitute one good for another. (B) Equal to the slope of the indifference curve. (C) Changes as we move along the indifference curve. (D) Is constant for perfect substitutes. Choose the correct answer from the options given below: | PYQs + Solutions | AfterBoards