APF Switzerland Health UK US Health expenditures The US has a population that prefers spending their resources on health, therefore they lie below the other countries but are still productively efficient. The US has different subpopulations who vary widely in terms of income and their preferences for health. This average gives the illusion that the US is inefficient, but X the different subpopulations both lie on the curve. O The US has lower levels of inherent health, therefore it has its own HPF which is lower than the others.Suppose that you graph nations' health expenditures against income and see that the US's point lies below others (like in the stylized figure below). Which of the following does not explain how the US may actually be productively efficient? HPF Switzerland Health UK US Health expenditures