Power Allocations: Determining Sample Sizes for Subnational Areas

Abstract

In many surveys, reliable estimates are required both at the national level and for subnational areas. When the subnational areas vary considerably in population size or importance, problems can arise in the use of standard allocations. In this article, a simple allocation method is suggested for achieving reliable national and subnational estimates.

Key Words:

• Neyman allocation
• Optimal allocation