This cannot be directly tested if assignment is based on more covariates than the researcher observes, because then the marginal treatment recipient is not identified.
Such protocols, when designed with "taste-based" motives, would be productively inefficient in that the expected returns to treatment for a marginal treatment recipient would vary across covariates and be larger for discriminated groups.
Skeptics point out that the marginal involvement of recipient country governments raise questions of sustainability.
Transplant coordinators can allocate "marginal donors" with elderly recipients.
The increased use of marginal donors, an aging recipient population, and Diagnosis-Related Grestraints cost restraints place significant pressures on kidney transplant centers to maintain financial viability while sustaining high quality outcomes.
And, in the meantime, the more extensive the employer-provided plan and the higher the marginal tax rate of the recipient, the greater is the effective taxpayer subsidy.
However, the actual benefit to the sludge recipient is often marginal.
These families are widely regarded to be among the most marginal of the state's welfare recipients.
The introduction of a new clinical protocol (basiliximab induction with calcineurin-sparing protocols) for a group of kidney transplant recipients receiving organs from marginal donors was validated with a Markov simulation model.
Next, we performed an allotransplantation of a marginal dose of WT islets in recipient Erα−/− mice followed by treatment with vehicle or PPT.
