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Concording U.S. Harmonized System Categories Over Time

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Concording U.S. Harmonized System Categories Over Time

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Working Paper Number: CES-09-11

Abstract

Concording U.S. Harmonized System Categories Over Time
Download Concording U.S. Harmonized System Categories Over Time [PDF - <1.0 MB]

This paper: outlines an algorithm for concording U.S. ten-digit Harmonized System export and import codes over time; describes the concordances we construct for 1989 to 2004; and provides Stata code that can be used to construct similar concordances for arbitrary beginning and ending years from 1989 to 2007.

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