Impact of global sourcing and exports on US manufacturing inventories

Chaodong Han (Robert H. Smith School of Business, University of Maryland, College Park, Maryland, USA)
Martin Dresner (Robert H. Smith School of Business, University of Maryland, College Park, Maryland, USA)
Robert J. Windle (Robert H. Smith School of Business, University of Maryland, College Park, Maryland, USA)

International Journal of Physical Distribution & Logistics Management

ISSN: 0960-0035

Publication date: 11 July 2008

Abstract

Purpose

The purpose of this paper is to empirically investigate the impact of global sourcing and exports on US domestic manufacturing inventories and quantify the additional inventory costs associated with global operations.

Design/methodology/approach

A panel data set of 19 US manufacturing sectors is constructed over the period 2002‐2005. Data are collected from the US economic census and other government statistics. Fixed and random effects models in both linear and LOG terms are estimated and the estimated coefficients used to calculate the cost to US manufacturing industries of additional inventories attributed to global operations.

Findings

Imports and exports have a positive, significant impact on raw materials inventory and finished goods inventory, respectively, in terms of days of supply. Based on estimations using 2005 data, a 10 percentage point increase in the import and export ratios for all US manufacturers is estimated to be accompanied by $3.03 billion additional costs for raw materials inventory and $5.33 billion for finished goods inventory, respectively.

Originality/value

This study is among the first to quantify the impact of global sourcing and exports on US domestic inventories using secondary data. To macroeconomic policy makers and industry managers, the results may serve as a benchmark to how domestic inventories are affected by global outsourcing and exports, and as a reminder that the benefits of global activities may be overestimated if inventory costs are not explicitly taken into consideration.

Keywords

Citation

Han, C., Dresner, M. and Windle, R.J. (2008), "Impact of global sourcing and exports on US manufacturing inventories", International Journal of Physical Distribution & Logistics Management, Vol. 38 No. 6, pp. 475-494. https://doi.org/10.1108/09600030810893517

Publisher

:

Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited

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