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http://hdl.handle.net/10419/17893
  
Title:Innovation and Trade with Heterogeneous Firms PDF Logo
Authors:Long, Ngo Van
Raff, Horst
Stähler, Frank
Issue Date:2008
Series/Report no.:Kieler Arbeitspapiere 1430
Abstract:This paper examines how trade liberalization affects the innovation incentives of firms, and what this implies for industry productivity and social welfare. For this purpose we develop a reciprocal dumping model of international trade with heterogeneous firms and endogenous R&D. We identify two effects of trade liberalization on productivity: a direct effect through changes in R&D investment, and a selection effect due to inefficient firms leaving the market. We show how these effects operate in the short run when market structure is fixed, and in the long run when market structure is endogenous. Among the robust results that hold for any market structure are that trade liberalization (i) increases (decreases) aggregate R&D for low (high) trade costs; (ii) increases expected industry productivity; and (iii) raises expected social welfare if trade costs are low.
Subjects:international trade
firm heterogeneity
R&D
productivity
market structure
JEL:F12
F15
Document Type:Working Paper
Appears in Collections:Publikationen von Forscherinnen und Forschern des IfW
Kieler Arbeitspapiere, IfW

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