> whatever it takes to keep food, water, and shelter. There are still economizing responses. When certain foods are expensive, people search for alternatives.

> whatever it takes to keep food, water, and shelter. There are still economizing responses. When certain foods are expensive, people search for alternatives. When housing is expensive people move in with family or get roomates. With gas people carpool and drive less. I don't want to suggest those are good outcomes, just that there is a response function.