The now dominant survey approaches to value public services remain contentious.
Given the difficulties posed by the revealed preference approach, economists have turned to stated preference approaches to value non-market goods.
Three studies used the replacement cost and the opportunity cost approaches to value informal care time [ 21, 22, 31].
Alternative friction-cost approaches to valuing lost productivity would result in a lower estimate of the productivity costs of CFS/ME [ 25].
The problem applies to the deontological approach to value too.
My approach to value investing is not for the impatient.
Take another good often suggested by proponents of the goods approach to value, friendship.
Charles, what does value investing mean to you? De Vaulx: Virtually every value investor has molded Benjamin Graham's traditional framework to fit their own approach to value.
One study chose opportunity cost approach to value informal care, using the mean informal caregiver own salary [14].
Twelve studies used the replacement cost approach to value informal care [13, 15, 17, 20 26, 28, 29].
