For a more thorough discussion of Kaldor-Hicks, and some criticisms of the wealth maximization version of it, see Richard S. Markovits, A Constructive Critique of the Traditional Definition and Use of the Concept of "The Effect of a Choice on Allocative (Economic) Efficiency": Why the Kaldor-Hicks Test, the Coase Theorem, and Virtually All Law-and-Economics Welfare Arguments are Wrong, 1993 U. Ill. L. Rev. 485 (1993).