Cam is trying to eat a bit healthier and concocts a soy-based bacon alternative called facon. Phil and Claire have to deal with an emergency, so Cam is in charge of breakfast. He insists that it his facon is indistinguishable from real bacon, but Mitch and Alex are able to tell a difference. Only in competitive markets do substitutes need to be indistinguishable from each other. If companies are operating in imperfect markets, firms can differentiate their product and still be considered a substitute.
Unfortunately for Luke, he’s allergic to soy.
See more: entrepreneurism, imperfect competition, markets, product differentiation, substitutes, tastes and preferences
Economics of Modern Family 