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Autor:innen: 
Kranich, Jan
Datum: 
2009
Schriftenreihe/Nr.: 
Diskussionsbeitrag No. 430
Verlag: 
Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät, Hannover
Zusammenfassung: 
This paper proposes a model of urban agglomeration in conjunction with imperfect competition and endogenous product R&D of firms. The quality of differentiated manufacturing goods is a result of R&D services provided by research firms. Sectoral interactions are subject to spatially dependent transaction costs and (knowledge) spillover externalities. The paper analyzes the existence of fundamental city patterns with respect to R&D intensity and the degree of localization in knowledge production. The model features three equilibrium formations: a monocentric, a mixed, and a perfectly integrated pattern, whereas the R&D intensity always increases towards the city center. However, product quality and the corresponding R&D expenditures of firms are not necessarily increasing with the city size; a result, which also renders decisive implications of local innovation policy.
Schlagwörter: 
Bid-rent
Land Use
R&D
Externalities
JEL: 
R1
R14
Dokumentart: 
Working Paper

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