Imported Inputs and Productivity Spillovers from Foreign Direct Investment

37 Pages Posted: 1 Aug 2018

See all articles by Benjamin Hyman

Benjamin Hyman

University of Pennsylvania, The Wharton School

Date Written: August 20, 2016

Abstract

This paper considers how input market liberalization affects host country productivity spillovers from multinational corporation (MNC) investments. The standard “Backward Linkage” measure used to estimate technology and learning spillovers to local upstream suppliers — pioneered by Javorcik (2004) and replicated across several influential papers — implicitly assumes domestic and foreign firms share the same input structure. I show that this assumption constitutes an omitted variable bias of imported inputs in TFP spillover estimation. Using a novel Colombian firm panel that isolates imported from domestic inputs, mean backward linkage productivity spillovers reduce in half when the share of locally sourced inputs is adjusted to reflect MNCs’ observably higher propensity to import inputs. However in some industries, productivity spillovers increase in response to the adjustment. I demonstrate that the sign and magnitude of this bias are proportional to the elasticity of substitution between imported and domestic inputs. The results highlight how input market liberalization (usually associated with increased FDI inflows) can have important feedback effects on local productivity spillovers from MNCs.

Keywords: Foreign Direct Investment, Backward Linkages, TFP, International Trade, Non-Classic Measurement Error

JEL Classification: F00, F10, F14, F21

Suggested Citation

Hyman, Benjamin, Imported Inputs and Productivity Spillovers from Foreign Direct Investment (August 20, 2016). Available at SSRN: https://ssrn.com/abstract=3222824 or http://dx.doi.org/10.2139/ssrn.3222824

Benjamin Hyman (Contact Author)

University of Pennsylvania, The Wharton School ( email )

3641 Locust Walk
Philadelphia, PA 19104
United States

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