Rock Hyraxes (Procavia capensis) from Middle Stone Age Levels at Blombos Cave,South Africa

The ～100 ka Middle Stone Age levels at Blombos Cave, southern Cape, South Africa, contain numerous rock hyrax (Procavia capensis) remains. It is often ambiguous to interpret rock hyrax remains from archaeological deposits deriving from cave and shelter sites in southern Africa as the agent or agents of accumulation may be difficult to establish. In this paper, the different taphonomic signatures separating anthropogenic from natural accumulations at Blombos Cave are considered. The analysis indicates that although a few specimens show evidence for raptor and carnivore accumulation, there is also substantial evidence that suggests humans preyed on these small mammals during different times of the year.     

Regional Competitiveness in Central European Countries: In Search of a Useful Conceptual Framework

The goal of this discussion paper is to examine the relevance of selected influential theoretical and conceptual approaches to regional competitiveness for specific geographical and institutional contexts of Central European (CE) regions. We argue that strategic documents and policies (both nation- and region-wide) in CE countries are based on un-critical applications of a few popular concepts of competitiveness that were originally proposed and mainly applied in Western European and US regions. Existing empirical evidence documents a strong role of exogenous factors of competitiveness in CE regions, the in-house character of firm innovations and weak demand for innovations, and other impediments of R&D collaboration. We suggest that these (and other factors) limit the applicability of concepts such as regional innovation systems and Porterian clusters in the context of many CE regions. On the other hand, we argue that some other concepts such as the global production networks perspective or related variety and economic complexity can provide some relevant and inspiring frameworks for analysing regional competitiveness in CE countries.     

Identification of Employment Concentration Areas

This article presents a method to identify “Absolute and Relative Employment Concentration (AREC) areas” for a particular industry. Two novel characteristics of the method are that it simultaneously analyses AREC, and that it combines spatial concentration per area with the spatial concentration in neighbouring areas. The method is easy to understand and apply. It is developed to assist regional policy makers and corporate decision-makers with their investment decisions related to new infrastructure or plants. The identification of concentration areas also allows for analysing the performance of these areas in relation to characteristics such as infrastructure availability and the housing and labour market. This can yield new academic insights that are relevant for regional planners. An application of the newly developed method to five industries in a Dutch province subdivided into 502 areas illustrates the value of the method in comparison to other methods.     

Social Networks and Actual Knowledge Flow in the Irish Biotech Industry

This paper presents an analysis of networks among small and medium-sized enterprises in the Irish biotech sector. The study applies social network analysis to determine the structure of networks of company directors and inventors in the biotech sector. In addition, on the basis of interviews, this article analyses the extent of actual knowledge flow through these industry networks. The paper makes both a theoretical and methodological contribution to innovation network research. In relation to theory, the findings of the social network analysis indicate that the extent and path of knowledge flow are influenced by both the type of knowledge in question and whether the network is of a formal or informal nature. Methodologically, the results of this paper raise questions about the application of social network analysis in innovation studies.     

‘It is where blokes can be blokes’: making places in a New Zealand rugby club

Using the case study of a New Zealand rugby club, in this article, we highlight the role of gender and performance in place attachment. We discuss various performances that contribute to achieving a sense of attachment of club members to the (imagined) community of the rugby club and the different physical spaces of its home ground. Even though performances are played out and read against the backdrop of a popular discourse of New Zealand rugby masculinity, we did not observe characteristics of stereotypical ‘rugby masculinity’ in all rugby places, nor were performances the same throughout one day. Instead, variations were found depending on whether performance was ‘front stage’ or ‘backstage’.     

FRIENDSHIP NETWORKS*

ABSTRACT This paper develops a model of social networks different from those presented in the recent literature. In contrast to existing models, the level of investment in link formation is a continuous decision variable, and links form stochastically rather than deterministically, with the probability depending on the noncooperative investment choices of both parties. Since the network structure is then stochastic rather than deterministic, the actual pattern of links cannot be specified, as in previous models, with the analysis focusing instead on which links are most likely to form. This alternate approach leads to a much simpler mathematical structure than in previous work. The analysis, which is couched in the context of friendship networks, shows that individual investment in friendship formation is too low. In addition, the analysis shows that, in an asymmetric setting where one individual has personal magnetism or a broad group of acquaintances, friendship links involving this attractive agent are most likely to form.     

Molding maize: the shaping of a crop diversity landscape in the western highlands of Guatemala

Today's domesticated plants not only embody past human–nature interactions, but also reflect social history. Human seed exchange, replacement and loss are important forces in shaping crop diversity. This essay explores regional history in relation to the shaping of maize diversity in the western highlands of Guatemala. This is an area of exceptional maize heterogeneity and a peripheral part of the region where maize was domesticated. Maize diversity seems to have developed through geographic isolation in networks of seed exchange that were generally very local in scope. However, recent studies on Mexican maize suggest otherwise. However, few studies have examined crop diversity or seed exchange from a historical perspective. A closer examination of regional history suggests which processes might be important for shaping the present geographical distribution of maize diversity. Seeds were occasionally transported over longer distances. As a consequence, maize diversity is geographically not characterised by sharp differences between farming communities; the main differences are to be found in regional occurrences. This challenges antimodern ideas of closed, local native ecologies. Consequently, the conservation of maize genetic resources is a challenge, but not entirely contradictory with its transforming socio-economic context.