Marginal utility

Marginal utility quantifies the added satisfaction that a consumer garners from consuming additional units of goods or services. The concept of marginal utility is used by economists to determine how much of an item consumers are willing to purchase. Positive marginal utility occurs when the consumption of an additional item increases the total utility, while negative marginal utility occurs when the consumption of an additional item decreases the total utility—Read more at Investopedia. Bloomenthal, Andrew. “Marginal Utility.” 23 May 2019