Measuring Bilateral Exports of Value Added: A Unified Framework

30 Pages Posted: 22 Aug 2018 Last revised: 29 Jun 2022

See all articles by Bart Los

Bart Los

University of Groningen - Faculty of Economics

Marcel P. Timmer

University of Gronigen - Faculty of Economics

Date Written: August 2018

Abstract

We provide a unified framework for measuring bilateral exports of value added. We outline a general methodology that encompasses the measures introduced by Johnson and Noguera (2012) (value added consumed abroad) and Los et al. (2016) (value added in exports), to which we refer as VAX-C and VAX-D, respectively. In addition we suggest a novel third measure, VAX-P, which indicates the value added used abroad in the final stage of production. We show that they can all be derived with the method of hypothetical extraction in a general input-output model. This is helpful in comparing and contrasting their characteristics. As a corollary, we show that for VAX-C and VAX-P the sum of bilateral measures is equal to the corresponding aggregate measure, but that this is generally not true for VAX-D. We illustrate all measures with empirical examples computed on the basis of the World Input-Output Database. These indicators can found at www.wiod.org.

Suggested Citation

Los, Bart and Timmer, Marcel P., Measuring Bilateral Exports of Value Added: A Unified Framework (August 2018). NBER Working Paper No. w24896, Available at SSRN: https://ssrn.com/abstract=3236698

Bart Los (Contact Author)

University of Groningen - Faculty of Economics ( email )

P.O. Box 800
9700 AV Groningen
Netherlands
+31 (0)50 3637317 (Phone)

Marcel P. Timmer

University of Gronigen - Faculty of Economics ( email )

Postbus 72
9700 AB Groningen
Netherlands

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