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Two Notes On Relating the Risk of Disclosure for Microdata and Geographic Area Size
Two Notes On Relating the Risk of Disclosure for Microdata and Geographic Area Size
Working Paper Number: SEHSD-WP1990-20 or SIPP-WP-134
Abstract
National statistical agencies have the responsibility of collecting information about a nation's population and of publicly releasing this information without violating pledges of confidentiality. A statistical agency must consider the geographic detail on microdata files prior to their release. The finer the geographic breakout, the greater the risk that a respondent may be identified. In this paper, we regard the number of population uniques on a file as one component of a measure of risk and then relate this component of risk to identifiable geographic area size. The objective is to support the development of geographic area cut-offs when designing microdata release strategies.
Page Last Revised - October 8, 2021
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