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New products. --- Production engineering. --- Production planning.
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We examine the effects of university-based star scientists on three measures of performance for California biotechnology enterprises: the number of products in development, the number of products on the market, and changes in employment. The `star' concept which Zucker, Darby, and Brewer (1994) demonstrated was important for birth of U.S. biotechnology enterprises also predicts geographically localized knowledge spillovers at least for products in development. However, when we break down university stars into those who have collaborated on publications with scientists affiliated with the firm and all other university stars, there is a strong positive effect of the linked stars on all three firm-performance measures and little or no evidence of an effect from the other university stars. We develop a new hypothesis of geographically localized effects of university research which is consistent with market exchange: Geographically localized effects occur for scientific discoveries characterized by natural excludability, those which can be learned only by working with discoverers or others who have received the knowledge through working together in the laboratory. Natural excludability results in intellectual capital, a transitory form of human capital, embodied in particular scientists whose services must be employed in order to practice the discovery. Contractual and/or ownership relationships occur between firms and the university scientists with intellectual capital and importantly determine firm productivity and growth.
New products --- Biotechnology industries. --- Econometric models.
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Economic production --- Product strategy --- New products --- Technological innovations --- Technology --- Management.
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Environmental policy --- New products --- Economic aspects --- Environmental aspects
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This paper develops a model of repeated innovation with knowledge spillovers. The model's novel feature is that firms compete on two dimensions: 1) product quality or cost, where one firm's innovation ultimately spills over to other firms; and 2) distribution costs, where there are no spillovers across firms and where incumbent firms' existing customer bases give them a competitive advantage over would- be entrants. Customer bases have two important consequences: 1) they can in some circumstances dramatically reduce the long-run average level of innovation; 2) they lead to endogenous bunching, or waves, in innovative activity.
Technological innovations. --- Competition. --- New products. --- Alternative minimum tax.
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Produits nouveaux. --- Design industriel. --- New products. --- Industrial design.
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Distribution strategy --- Branding (Marketing) --- Marketing --- Marketing. --- New products --- Retail trade. --- Branding (Marketing).
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Food industry and trade --- Food --- Just-in-time systems --- New products --- Product management --- Marketing --- Marketing
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Industrial management. --- Product management. --- Quality of products. --- New products. --- Quality function deployment --- Gestion d'entreprise --- Produits commerciaux --- Qualité des produits --- Produits nouveaux --- QFD --- Gestion
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