are transferred to the mixed population; the immigrant and non-immigrant populations are thus depleted by the transfers … and the mixed population augmented in each generation. The transfers are governed by underlying preferences, but the … preference pattern must be modified to recognize constraints imposed by differences in population size. A restricted least …

Immigrants can mix with the population of a receiving country in various ways. We consider demographic mixing by which … other is not – cross-parenting as we term it. We consider a hypothetical country with an initial stable population and … the overall total: non-immigrant population, immigrant population (immigrants and their descendants), and mixed population …