The Home Market Shadow

18 Pages Posted: 19 Jan 2005

See all articles by Jens Suedekum

Jens Suedekum

Heinrich-Heine-University Duesseldorf, Duesseldorf Institute for Competition Economics (DICE); Centre for Economic Policy Research (CEPR); CESifo (Center for Economic Studies and Ifo Institute); Institute for the Study of Labor (IZA)

Date Written: January 2005

Abstract

The home market effect (HME) is a distinguishing feature of the "new" theory of international trade, but it is uncertain whether this effect survives if one moves beyond the simplifying setup with only two countries. We present a three-country version of the seminal model by Krugman (1980) and analyse under which circumstances the HME is present once third country effects are taken into account. We show that an exogenous increase in the home country's expenditure level on the modern good will unambiguously lead to an over-proportional output reaction. If production in the foreign world shifts from a more remote to a better accessible economy, industry location in the home country is negatively affected. Thus, if the expenditure increase is small relative to the foreign expenditure shifting, an under-proportional output reaction in the home country can result. In a more extreme case the industry share of the home country can even decrease. This phenomenon is labelled the "home market shadow".

Keywords: new trade theory, home market effect, hub effect

JEL Classification: F12, F14, R12

Suggested Citation

Südekum, Jens, The Home Market Shadow (January 2005). Available at SSRN: https://ssrn.com/abstract=650247

Jens Südekum (Contact Author)

Heinrich-Heine-University Duesseldorf, Duesseldorf Institute for Competition Economics (DICE) ( email )

Universitaetsstr. 1
Duesseldorf, NRW 40225
Germany

Centre for Economic Policy Research (CEPR) ( email )

London
United Kingdom

CESifo (Center for Economic Studies and Ifo Institute) ( email )

Poschinger Str. 5
Munich, DE-81679
Germany

Institute for the Study of Labor (IZA)

P.O. Box 7240
Bonn, D-53072
Germany

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