.b Calculate the ICER between cortisone injections and a chair cushion, and between acupuncture and cortisone injections. c Assume that indifference curves in this space are linear. Interpret this assumption. d Find the range of valuations for a pain reduction unit that Jay would need in order to pick cortisone injections as the cost-effective treatment. Explain your answer. e Under this assumption of linearity, is it possible to draw indifference curves such that cortisone injections will be cost-effective?
