Two-Phase Sampling of Tax Records for Business Surveys
企业调查中税务记录的两阶段抽样
A two-phase design used to sample tax records of businesses to obtain annual estimates of Canadian economic production is described. Classification information obtained from units in the first-phase sample is used during stratification for selection of the second-phase sample. Bernoulli sampling is employed. Given multiple precision constraints, optimal allocation requires solution of a convex programming problem. An approximate method is described and compared to the…