One reason, explored further in my article, is that prices are derived from marginal, not total, utilities.
In a superficial reading much of the nurses' reluctance to refer seems due to the lack of marginal benefit to be derived from referral to a hospital that, apart from surgery, cannot do much more for the patient than what health centres can do.
Normally, supply function of wholesale electricity should be derived from the generator's profit maximization condition that marginal generation cost equals to the wholesale price.
The marginal cost of mitigation can be derived from the difference in NPV between the management scenarios [22].
The marginal cost of mitigation can be derived from the difference in NPV between the management scenarios [ 22].
(2) Marginal effects at any {theta,X} value can be derived from the information given (i.e. the estimates of alpha and beta).
Generally, the richer the individual is, the more likely his income is to be derived from capital gains and dividends, which are already taxed at less than half the top marginal income tax rate.
Marginal essentiality is a measure of the importance of a non-essential gene in a cell that could be derived from topological characteristics of protein interaction networks [47].
However, some of this discomfort is derived from travelers' marginal utility of income: the lost time in traffic is clearly "unpleasant" because of its opportunity cost.
In the amphibian gastrulation process, the axial mesoderm, which is derived from the dorsal marginal zone, invaginates, involutes into the body, and then migrates toward the animal pole on the inner surface of the blastocoel roof.
Further evidence implicating osteoclasts in the pathogenesis of marginal joint erosions is derived from animal models of inflammatory arthritis in which animals lacking the capacity to form osteoclasts fail to develop joint erosions.
