“…13 numerous other factors, such as individual characteristics [e.g., Persky and Kain (1970)], government policies [e.g., Riew (1973)], and quality-of-life considerations [e.g., Graves (1976)] have also been shown to influence the decision to migrate, wage and unemployment rates are the explanatory variables which form the basis for most studies of migration behavior and, hence, are included in this s t~d y . '~ One additional influence on interregional migration which has been noted [ Riew (1973)] but is seldom empirically examined [e.g., Laber and Chase (1971)l is the impact of regional cost-of-living differentials. Since there is no reason to presume, a priori, that migrants are subject to money illusion, living-cost differentials should be included to avoid misspecification [Renas and Kumar (1978)] and may provide significant additional explanatory power [Cebula (1979)l.…”