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141.
The aim of this paper is to increase our knowledge of a firm's innovative behaviour by jointly analysing its internal resources, industry characteristics and appropriability conditions as drivers of its R&D strategy selection: make, buy and make-buy. Based on panel data (1992–2005) covering 1539 Spanish manufacturing firms, results show that firms lacking organisational resources and competing in stable markets prefer the buy strategy. Firms with a high level of technological resources that are immersed in high-tech industries are prone to selecting the make-buy strategy. Internationalised firms with high levels of appropriability prefer the make strategy.  相似文献   
142.
Over the last 3 decades, economic models have been developed that recognize that potentially conflicting interests may shape household decisions and the sharing of resources within families. This article provides an overview of how decision making within households has been modeled within economics, presents the main benefits and limitations of those models, and critically assesses their usefulness to researchers from other disciplines interested in the within‐ household distribution of resources. The main focus is on the theory, empirical application, and results of the currently dominant collective models, but the authors also look at developments that led up to them and some subsequent extensions and alternative approaches. Given the weight placed by policymakers and others on economic and quantitative evidence, it is incumbent on researchers of all disciplines to understand the achievements and limitations of the models used, explicitly or implicitly, to produce such evidence and the assumptions that lie behind them.  相似文献   
143.
A nonparametric control chart for variance is proposed. The chart is constructed following the change-point approach through the recursive use of the squared ranks test for variance. It is capable of detecting changes in the behaviour of individual observations with performance similar to a self-starting CUSUM chart for scale when normality is assumed, and a relatively better power when assessing nonnormal observations. A comparison is also made with two equivalent nonparametric charts based on Mood and Ansari-Bradley statistics. When dealing with symmetrical distributions, the proposed chart shows smaller (better) out-of-control average run length (ARL), and a competing performance otherwise. In addition, sensitivity to changes in mean and variance at the same time was tested. Extensive Monte Carlo simulation was used to measure performance, and a practical example is provided to illustrate how the proposed control chart can be implemented in practice.  相似文献   
144.
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Resumen

Presentamos una nueva escala para medir el estrés de aculturación de los autóctonos ante la inmigración, concretamente sudamericana. Hemos partido del concepto de amenaza percibida tomado de la Teoría Integrada de la Amenaza (Stephan y Stephan, 1996). Un análisis de componentes principales realizado con una muestra de 770 participantes ofrece una estructura compuesta por dos dimensiones: estrés de interacción y estrés por recursos. La escala final está formada por 16 ítems más tres de control de la deseabilidad social. Los análisis de fiabilidad han encontrado unos índices de consistencia interna muy satisfactorios, de.91 para la escala general de estrés de aculturación y de.91 y.88 para las dos subescalas. Los datos obtenidos permiten ofrecer un instrumento de medida que constituye una contribución en el estudio de los procesos de aculturación.  相似文献   
145.
Parents' socialization goals are important for cultural transmission across generations, but whether such goals vary by ethnic and socioeconomic backgrounds and change over children's first years of life remains unexamined. In Study 1, African‐American, Dominican immigrant, and Mexican immigrant mothers (N = 300) reported on the qualities deemed as desirable or undesirable when children were aged 1 month, 14 months, and 2 years. Mothers spontaneously referred to a common set of qualities, including achievement, self‐maximization, proper demeanor, and connectedness. Most mothers emphasized achievement (desirable qualities) and disapproved of improper demeanor (undesirable qualities). Desirable qualities varied by age and socioeconomic factors more than did undesirable qualities. Mothers (N = 185) were followed up in Study 2 when children were aged three years, and ranked 21 qualities using a Q‐sort instrument. Ethnic differences were revealed at this more specific level, with Latina mothers being more similar in their rankings than African‐American mothers.  相似文献   
146.
147.
The global trend of fisheries overexploitation and collapse has resulted in the need to reduce fishing effort, and providing alternative employment for fishermen is a frequently mentioned policy option in order to achieve this goal. Reducing fishing effort is central to the European Commission Common Fisheries Policy and over the years, the Commission has developed a number of socio-economic measures to encourage labour mobility among fishermen, and as such mitigate the impact caused by the structural adjustment. Considering this aim, this paper seeks to identify European fishermen's willingness for occupational and geographical mobility and the characteristics that influence this willingness. A survey was conducted with the participants in the inshore commercial fisheries of the Highlands of Scotland (UK), the Algarve (Portugal) and the South Evoikos Gulf (Greece), and logit models fitted to identify the characteristics that influence willingness for labour mobility. The paper argues that there are differences in attitudes towards labour mobility among fishermen from the different countries and that personal preferences, demographic characteristics, job-related and financial reasons influence the willingness for both occupational and geographical mobility. The paper concludes by pointing out the importance of taking local conditions and the heterogeneity that characterizes fishermen's behaviour into account, in order to achieve successful policy measures aimed at providing alternative occupations for fishermen.  相似文献   
148.
This paper reviews the literature of how three aspects of metacognition, relevant to working with children in clinical settings, develop across childhood. In cognitive therapy children use their metacognition to monitor the recall of thoughts from memory and to control thoughts as they are actively worked on and restructured. This paper will show that over childhood children use metacognitive monitoring and control abilities in increasingly complex ways and it will provide the ages at which children may be consistently using the cognitive abilities necessary to fully benefit from cognitive therapies.  相似文献   
149.
Seeking to extend research on public relations evaluation, this study investigates the influence of public relations efforts and media coverage on corporate reputation and financial performance through the theoretical grounding of first- and second-level agenda-building and agenda-setting. A triangulation of research methods compared public relations content, news media coverage, public opinion, and corporate financial performance for 28 U.S. companies from the annual Harris Interactive (2005) Reputation Quotient. Evidence for agenda-building and agenda-setting propositions was found, which work to inform strategies of public relations practitioners. The implications of the findings are discussed.  相似文献   
150.
This article reports the findings of a study of perceived barriers to volunteering to formal organizations by nonvolunteers. We examine the types of barriers, their frequencies, and their relationships with individual‐level sociodemographic characteristics of nonvolunteers. Data from a 2001–2002 national survey conducted by the U.S. Bureau of Labor Statistics are analyzed using multiple regression techniques. Contrary to general expectations, only three barriers—lack of time, lack of interest, and ill health—are fairly common. Furthermore, as expected, different social class groups identify different types of barriers. The article concludes with a discussion of the theoretical implications of the findings (for example, how indicators of social and cultural capital affect access to volunteer opportunities) and practical implications concerning recruitment of volunteers.  相似文献   
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