=+e. You should recognize the move from A to B as a pure substitution effect as we have defined it in this chapter. Often this substitution effect is referred to as the Hicksian substitution effect, defined as the change in behavior when opportunity costs change but the consumer receives sufficient compensation to remain just as happy. Let B9 be the consumption bundle the average senior would choose when compensated so as to be able to afford the original bundle A. The movement from A to B9 is often called the Slutsky substitution effect, defined as the change in behavior when opportunity costs change but the consumer receives sufficient compensation to be able to afford to stay at the original consumption bundle. True or False: The government could save money by using Hicksian rather than Slutsky substitution principles to determine appropriate cost of living adjustments for Social Security recipients.