Mary Jane Sudekum, Pharm.D., and Lee C. Vermeulen, M.S. Key Words: therapeutic interchange, guidelines, drug policies, drug. procedures, pharmacy and therapeutics committee, patient care, cost-effective. therapy, American College of Clinical Pharmacy, ACCP, position statement.
The law of diminishing marginal utility states that: As a consumer consumes more and more units of a specific commodity, the utility from the successive units goes on diminishing. Mr. H. Gossen, a German economist, was first to explain this law in 1854.
The marginal utility has now fallen to 2 utils while the total utility of three apples has increased to 13 utils (7 + 4 + 2). In case the consumer takes fifth apple, his marginal utility falls to zero utils and if he consumes sixth apple also, the total showing total utility and marginal utility is plotted in figure below: