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The paper addresses the relation between geographical location of firms and collaboration with knowledge intensive service providers on product innovation in a small country setting. The analysis shows that even in a small country with limited geographical distances firms located in peripheral areas are less likely to be broad users of collaboration with knowledge intensive service providers in the process of product innovation than firms located in major urban areas. However, it is only amongst firms located in the periphery that collaboration strategy seems to matter in the sense that differences in development in employment can be detected between broad and rare users of collaboration.  相似文献   
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Communal buildings have been reported from a number of early Neolithic sites from the Levant and Anatolia, but none were known from the central Zagros. Here we report on the recent excavations at Asiab, Kermanshah province, Iran, and argue that the principal feature found during Robert Braidwood’s excavation at the site in 1960 should be interpreted as an example of a communal building. We discuss the results of the previous and recent excavations, highlight the key features of this building, and the implications for our understanding of the early Neolithic in the ‘eastern wing’ of the Fertile Crescent.  相似文献   
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Moran, Emilio F., ed. The Ecosystem Concept in Anthropology. Boulder, Co.: Westview Press, 1984. xiv + 320 pp. including index. $28.50 cloth.  相似文献   
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