Welfarists about equality reply that people only value resources to the extent to which they contribute to their welfare. Moreover, people are not entirely responsible for their preferences; in many cases, preferences are shaped by genetic and environmental influences beyond their control.
But resource egalitarians can reply that justice requires that claimants on goods to which they are entitled should take into account the constraints these claims put on others. On this view, the value of resources should depend not on how much welfare the claimant can get from it but on the highest price people would pay for it in a competitive market where everyone could had equal opportunity and equal resources to bid on those resources. Thus, resource egalitarians also give the preferences of autonomous agents an essential role when measuring