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971.
Several previous studies have investigated different ways to stimulate creativity, since it enhances innovation. However, although creativity can be considered the main input of innovation, it is not enough by itself. In this paper, we study the effects of the cluster on the firm’s levels of creativity and innovation. How does the position of a firm in a cluster affect its outcome of innovation? Is it better to be in a central position or to be isolated? Based on the creativity, innovation and social network analysis literature, a conceptual model has been developed to explain the interaction between creativity and network centrality, and tested in the ceramic industrial cluster in Spain. Empirical findings support interaction effects between creativity and network centrality that moderate the results of innovation. The implication of these results in relation to creativity and innovation theory and practices are discussed.  相似文献   
972.
While Pakistan is in many ways an ideal location for transnational terrorist groups due to state weakness, Islamic State has had difficulty making headway in the country. In this article, the authors argue that Islamic State’s failures in Pakistan are due to competition from other groups. Drawing on the terrorist competition literature and interviews with Pakistani counterterrorism officials, the authors find that the presence of other groups in Pakistan meant there was little demand for what Islamic State offered. Islamic State relied on splinter groups and defectors for recruitment, which alienated mainstream groups and harmed the group’s capacity. Islamic State’s competition problems were exacerbated by its internationalist ideology, which was at odds with that of many groups in Pakistan, and allowed opposing groups to present themselves as reasonable alternatives to other actors. Despite Islamic State’s lack of success, it and its allies have still engaged in extreme violence in Pakistan as a result of attempts to outbid other groups. This article has implications for fighting terrorism in Pakistan and more generally.  相似文献   
973.
974.
Abstract

In April 1967, a group of colonels seized power in Greece. Since Greece was a member-state of the Council of Europe and held an association agreement with the European Community, both organizations had to define their positions vis-à-vis the new military regime. Very soon, politicians in the parliamentary assemblies of both organizations started to cooperate with the aim of imposing sanctions on Greece. This article examines the inter-organizational dynamics between the European Community and the Council of Europe on Greece during the colonels’ regime. It argues that the European Community imported concrete policy positions and even normative ideas which had first emerged in the Council of Europe. In so doing, the Community prepared the ground for its future human-rights policies.  相似文献   
975.
976.
As discussed in Part I, a large accumulation of mammalian faeces at the mire site in the upper Guil Valley near Mt. Viso, dated to 2168 cal 14C yr., provides the first evidence of the passage of substantial but indeterminate numbers of mammals within the time frame of the Punic invasion of Italia. Specialized organic biomarkers bound up in a highly convoluted and bioturbated bed constitute an unusual anomaly in a histosol comprised of fibric and hemist horizons that are usually expected to display horizontal bedding. The presence of deoxycholic acid and ethylcoprostanol derived from faecal matter, coupled with high relative numbers of Clostridia 16S rRNA genes, suggests a substantial accumulation of mammalian faeces at the site over 2000 years ago. The results reported here constitute the first chemical and biological evidence of the passage of large numbers of mammals, possibly indicating the route of the Hannibalic army at this time. Combined with the geological analysis reported in Part I, these data provide a background supporting the need for further historical archaeological exploration in this area.  相似文献   
977.
At the end of the fifth millennium bc , the development of a specialized lithic industry in the Chassey societies of south‐eastern France and its dissemination as far as Catalonia and Tuscany attest to important socio‐economic changes in the Mediterranean Neolithic societies. The lithic production was made on barremo‐bedoulian flint that was heat‐treated to improve the sharpness of the tools produced. Microscopic observations of archaeological and geological, heated and unheated barremo‐bedoulian flint samples allowed us to highlight the heat‐induced formation of fluid inclusions. Microthermometry analyses showed that these inclusions contain pure H2O, most probably resulting from the dehydration of length‐slow (LS) chalcedony and the closure of narrow pores, according to the model proposed by Schmidt et al. ( 2012 ). Our results enable us to estimate the heating temperatures used by Chassey artisans to ≈ 230°C. We also propose the ‘pressure cooker’ model to explain the migration of liquid water in flint nodules heated to 230°C. Then, we discuss the ability of a particular type of flint to be heat‐treated, and hence its value for Neolithic society, which depends on: (1) the amount of LS chalcedony that ensures the water release at relatively low temperature; and (2) on the total volume of porosity available to store the dehydration water.  相似文献   
978.
In recent years, mitochondrial diversity of goats has been extensively studied, in order to shed light on domestication processes. There are limited studies on genetic diversity and demographic history of Anatolian goat breeds, and these studies have focused only on modern goats. Until today, no research has been conducted on DNA analysis of ancient Anatolian goats. In the present study, seven ancient DNA samples of goat remains from Van‐Yoncatepe archaeological site in Eastern Anatolia, Turkey, dating 1000 BC, were successfully extracted and amplified for the first time. A 230‐bp fragment of mitochondrial DNA Hypervariable Region 1 of the samples was analyzed. All of the ancient sequences belonged to haplogroup A, which is the most widely distributed and frequently encountered haplogroup in modern goats. The results also pointed out that Anatolian ancient goats might have contributed to the genetic structure of modern goats in the Near East, the Mediterranean Region and South‐Southeastern Asia. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   
979.
Mandibles of Sus scrofa (wild boar/pig) from ritual pits H160 and H208 of Longshangang, a Late Yangshao Neolithic site in Xichuan County, Henan, were analyzed for evidence of domestication. Three methods of dental analysis were applied: odontochronology, tooth wear assessment, and linear enamel hypoplasia (LEH) recording, which provide age at death, season of kill, and season of birth data. We investigate whether: (i) the LEH height frequencies on the second molars of the mandibles correspond with the possibility of double farrowing and (2) double farrowing is supported by the season of and age at slaughter data. If so, these data suggest a substantial degree of human management of suids at the site. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   
980.
This article seeks to understand why community forestry enterprises in the Mayan rainforest of Mexico are losing ground, while middlemen and manufacturers are regaining control over forestry resources. It focuses on the case of the Ejido San Felipe Oriente where an NGO codesigned a commercialization platform with the objective of bringing together local cooperatives to negotiate in the market from a position of strength. The project was hampered by an internal rupture in the ejido; in investigating this rupture, the authors use the concept of institutional bricolage to understand local power struggles, and the theory of gradual change to search for historical causal mechanisms. They find that the proximate causes of the rupture were family rivalries, suspicions of embezzlement, unfair exclusions, and the disruption of customary practices regarding the distribution of monetary benefits. However, historical continuities lay beneath the power struggle: ejidos in the Yucatan Peninsula have used their function as intermediaries to subordinate local interests rather than promote endogenous development. The authors advocate for an institutional design process that takes account of the unconscious and taken-for-granted meanings that influence institutional adaptation; they encourage development practitioners promoting community forestry enterprises in the Mayan rainforest of Mexico to address historical continuities in local institutions as a focal target of development interventions.  相似文献   
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