Protection of trade for innovation : the roles of Northern and Southern tariff

Larry D. QIU, Edwin L.-C. LAI

Research output: Journal PublicationsJournal Article (refereed)peer-review

10 Citations (Scopus)


Using a North–South trade model with innovation and imitation, we investigate the interaction of intellectual property rights (IPR) protection and trade protection. We show that unlike a Southern tariff, a Northern tariff supplements IPR protection and is not necessarily a beggar-thy-neighbor policy. The globally optimal Northern tariff increases as IPR protection in the North or the South decreases. Global welfare may rise as Northern tariff increases, but necessarily declines as Southern tariff increases. This suggests that pushing for freer trade in the South is more urgent than in the North in innovation-intensive sectors where IPR protections are weak in both regions.
Original languageEnglish
Pages (from-to)449-470
Number of pages22
JournalJapan and the World Economy
Issue number4
Early online date21 Nov 2003
Publication statusPublished - Dec 2004
Externally publishedYes

Bibliographical note

The authors benefit from presentation at the Midwest International Economics Conference held at Purdue University (1999) and seminars at Hitoshubashi University, Osaka University and the University of Hong Kong. An earlier version of this paper was circulated with the title "trade and intellectual property rights protection: by whom and for what?". The work in this paper has been supported by the Research Grants Council of Hong Kong, PR China (Project no. CityU 1145/99H).

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