How is supply and demand used in monsters inc?

In "Monsters, Inc.," supply and demand is illustrated through the energy crisis faced by Monstropolis, which relies on the screams of children for power. The demand for scream energy drives the competitive nature of the scare industry, prompting monsters to maximize their scare tactics. As the story unfolds, the realization that laughter produces more energy than screams shifts the supply and demand dynamics, leading to new, more sustainable methods of energy production in the monster world. This shift highlights the importance of adapting to changes in consumer needs and market dynamics.