Annual adjustments of nonbasic employment in response to different hypothetical changes in basic income are described. The results illustrate findings of a regression analysis of data from 1971-79 of 30 rural counties that had experienced rapid growth. The analysis produced significant lags in annual nonbasic employment changes in relation to basic income changes. The timing of changes in nonbasic and basic sectors and consequently of population in rapidly growing local economies is a critical element in local fiscal planning.