Some Considerations in the Use of the Residual Method of Estimating Net Migration
使用残差法估计净迁移的若干考量
Census net migration data and estimates of net migration obtained by the residual method, representing the difference between total population change and natural change during a period, are compared, and some general problems in the use of the residual method are discussed. Several residual methods—the vital statistics method and the forward, reverse, and average survival rate methods—are described, compared, and evaluated. On the basis of a symbolic model representing the…