Abstract
The study of the relationship between the volume of migration, on the one hand, and the distance between the migration source and target, on the other, may be traced back at least to the work of E. G. Ravenstein (“The laws of migration” . Journal of the Royal Statistical Society, 48 (1885): 167–227 ; 52 (1889): 241–301), who observed that the vast majority of migrants tend to traverse relatively short distances. Extensive subsequent research has done much to isolate the general mathematical attributes of the migration-distance relationship, yet the causes of this relationship have been relatively ignored and are thus far less well understood. The present research is addressed directly to these underlying causes. In particular, the study evaluates the role of information concerning opportunities and the dispersion of this information in social networks in producing a relationship between migration and distance. Analysis centers on an ethnohistoric migration process, involving the movement of Chumash Indians to the California mission of Santa Barbara .
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