[1] Proposed by Julian Tudor Hart in 1971, the term has since been widely adopted.
[3] The name is a pun on inverse-square law, a term and concept from physics.
The law states that: "The availability of good medical care tends to vary inversely with the need for it in the population served.
This ... operates more completely where medical care is most exposed to market forces, and less so where such exposure is reduced.
"[4] Hart later paraphrased his argument: "To the extent that health care becomes a commodity it becomes distributed just like champagne.