Discrepancy of Trade Statistics: A Review and Adjustment of Bilateral Trade Flows by Quantity Data

Abstract

This paper discusses the discrepancy of trade statistics. The problem is defined as differences between trade flows reported as imports and the same flows reported as exports. Many researchers and organizations examine the problem mainly focusing on the value data in trade statistics, and do not deal with quantity data in detail. In this paper, we review existing studies about the discrepancy of trade statistics, and analysis characteristics of the discrepancies by using trade statistics in Asia, especially focusing on quantity data. This study shows utilizing quantity data of trade statistics gives useful knowledge to adjust the discrepancies.