A consumer's willingness to trade one good for another can be expressed by the consumer's Naim 21:38 Microeconomic Theory Chapter 4 A consumer's willingness to trade one good for another can be expressed by the consumer's A) indifference curve. B) marginal rate of substitution. C) Both A and B above. D) None of the above. Answer: Both A and B above. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+