Staff Report 304

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The Home Market and the Pattern of Trade: Round Three

Thomas J. Holmes - Consultant
John J. Stevens

Published April 1, 2002

Abstract
Does national market size matter for industrial structure? Round One (Krugman) answered in the affirmative: Home market effects matter. Round Two (Davis) refuted this, arguing that an assumption of convenience—transport costs only for the differentiated goods—conveniently obtained the result. In Round Three we relax another persistent assumption of convenience—two industry types differentiated only by the degree of scale economies—and find that market size reemerges as a relevant force in determining industrial structure.


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