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Soll die Industrie- und Wettbewerbspolitik zentral oder dezentral, durch die Europäische Gemeinschaft oder auf regionaler Ebene betrieben werden? Das Werk behandelt die Frage wirtschaftstheoretisch und leistet damit einen wesentlichen Beitrag für die politische Diskussion. Für Volkswirte im...
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In this paper we analyze the dynamics of an R&D differential game allowing for technological spillovers and sigmoid learning functions of multiproduct oligopolies. We demonstrate how the presence of learning together with spillovers may generate a rich set of outcomes, varying from constant...
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I study an economy where oligopolistic firms establish in-house R&D programs to produce a continuous flow of cost-reducing (incremental) innovations. The scale of firms' R&D operations determines the rate of productivity growth. I first study the role of concentration, firm size, and demand,...
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