Right next door to where Mitch was taking trumpet lessons was a massage parlor offering massages for the exact same price as trumpet lessons. Cam believes Mitch has been practicing the trumpet for two years now, but it turns out that Mitchell has just been getting regular massages. Utility maximization assumes that when two items are the same price, consumers will chose the item with the higher utility. While Mitch originally thought he wanted to learn how to play the trumpet, he realized each additional massage generated higher levels of utility than another trumpet lesson.
See more: equimarginal principle, marginal utility, substitutes, utility, utility maximization
Claire’s favorite holiday is Halloween, but last year she may have went a little overboard to the point that the homeowners association forbid the Dunphey’s from doing particular things this Halloween. Claire’s goal is each Halloween is to produce a scary experience for trick-or-treaters visiting, but even Phil thinks she may have gone too far investing in professional grade makeup. He suggests that she could be twice as scary without wearing any makeup at all.
Another way to view this clip is through the impact of private benefits and social costs. Claire spends a lot of money each year on Halloween decorations, but her private benefits may not exceed the social costs imposed on neighbors (at least according to the HOA). The social costs of her decisions include someone wetting themselves and someone having a heart attack. While Claire may factor these into her investment decision, the HOA determined that the social costs outweigh the social benefits and has opted for a command-and-control approach to Halloween decorations at the Dunphy house.
See more: command and control, decreasing returns, diminishing marginal returns, government regulation, marginal utility, negative externalities, negative returns, role of government, utility
Luke is finally tall enough to go on the rollercoasters and Disneyland, but Phil may be at the age where he can’t handle that pressure. The self-proclaimed “King of Rollercoasters” visibly diminishes as Luke seems to be unfazed by the G-force. While each ride adds a bit of additional joy to Phil’s overall utility, the marginal cost is clearly increasing as he continues to ride each ride. It’s not long before Phil’s marginal cost outweighs the marginal benefit of one more ride.
See more: decreasing returns, diminishing marginal returns, increasing marginal cost, marginal utility, marginal benefit, marginal cost, negative returns, utility, utility maximization