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21.
Sequential coding of maternal sensitivity: application of nonlinear dynamic analyses and reliability
Trenado Rosa M. Cerezo M. Angeles Sierra-García Purificación Pons-Salvador Gemma 《Quality and Quantity》2021,55(3):827-844
Quality & Quantity - In infant development, maternal sensitivity is a central construct in the study of the processes involved in the caregiver-infant relationship and child attachment. The... 相似文献
22.
Silvia T. Morales-Gualdrón Antonio Gutiérrez-Gracia Salvador Roig Dobón 《The International Entrepreneurship and Management Journal》2009,5(3):301-317
In this paper we propose a model to analyse the motivation of academic entrepreneurs that comprises six dimensions: personal,
relating to the entrepreneurial opportunity, to scientific knowledge, to the availability of resources, to the incubator organization,
and to the social environment. The model is tested based on information from a survey administered to 152 Spanish academic
entrepreneurs. Our results show that entrepreneurial opportunity is not part of the entrepreneurial motivation, but is of
the utmost importance to academic entrepreneurs. Also, we find the scientific knowledge is the main driver of entrepreneurial
activity in the academia. 相似文献
23.
In a relatively short period of time, new immigration patterns have changed the geography of immigration of the EU15, bringing three old emigration countries, Ireland, Spain and Greece, to the forefront of the new immigration wave. This article studies the analogies and differences of the recent immigration experience of this group of countries, focusing on the demographic characteristics of the immigrants (origin, sex, gender and education), labour market insertion (wages, labour market segregation and quality of matching) and overall economic performance in terms of poverty rates. 相似文献
24.
This paper analyses the role of health on exits out of and entries into employment using data from the first twelve waves of the British Household Panel Survey (1991–2002). We use discrete-time duration models to estimate the effect of health on the hazard of becoming non-employed and on the hazard of becoming employed. The results show that general health, measured by a variable that captures health limitations and by a constructed latent health index, affects entries into and exits out of employment; the effects being higher for men than for women. The results are robust to different definitions of employment, and to the exclusion of older workers from the analysis. 相似文献
25.
Miquel-Àngel Garcia-López 《Journal of Housing Economics》2010,19(2):119-132
The aim of this article is to determine whether population suburbanization is occurring in Barcelona and, if so, how it is organized spatially. This issue is addressed through an analysis of the spatial structure of the population of the Barcelona Metropolitan Region and its evolution between 1991 and 2005. The ultimate aim is to determine whether there is a process of population suburbanization during these 15 years and, if this is the case, whether it arises according to a dispersed or a polycentric model. The results are consistent with a polycentric model for 1991 and 2005. However, this spatial structure is changing because of the process of suburbanization, which is affecting both the central business district and subcenters. During this same period, it is found that the role played by transport infrastructure in determining the spatial structure is becoming stronger. Without considering this latter result, it would appear that the dispersed model would best describe the next spatial stage. On the other hand, if the role played by transport infrastructure is taken into consideration, the next spatial stage would be an accessibility model in which population concentrates along freeways and highways. 相似文献
26.
Miguel A. León‐Ledesma Peter McAdam Alpo Willman 《Oxford bulletin of economics and statistics》2015,77(1):40-65
Capital‐labour substitution and total factor productivity (TFP) estimates are essential features of many economic models. Such models typically embody a balanced growth path. This often leads researchers to estimate models imposing stringent prior choices on technical change. We demonstrate that estimation of the substitution elasticity and TFP growth can be substantially biased if technical progress is thereby mis‐specified. We obtain analytical and simulation results in the context of a model consistent with balanced and near‐balanced growth (i.e. departures from balanced growth but broadly stable factor shares). Given this evidence, a constant elasticity of substitution production function system is then estimated for the US economy. Results show that the estimated substitution elasticity tends to be significantly lower using a factor‐augmenting specification (well below one). We are also able to reject conventional neutrality forms in favour of general factor augmentation with a non‐negligible capital‐augmenting component. Our work thus provides insights into production and supply‐side estimation in balanced‐growth frameworks. 相似文献
27.
António Portugal Duarte João Sousa Andrade Adelaide Duarte 《Journal of economic surveys》2013,27(2):247-268
This work selectively reviews the literature on exchange rate target zones and their theoretical and empirical methodologies and examines whether they can be used to clarify to what extent this type of exchange rate regime could contribute to greater exchange rate stability. We discuss the main contributions of the first and second generations of exchange rate target zone models. In an attempt to reconcile the poor empirical performance of the Krugman model with the reality of exchange rate target zone regimes, this line of research integrates target zones with alternative underlying economic models, such as imperfect credibility, intra‐marginal interventions and sticky price models. It was thus possible to understand the correlations observed between the exchange rate, its fundamentals determinants and the interest rate differential, and to explain the fact that the statistical distribution of the exchange rate is hump shaped rather than U shaped. This implies that the initial emphasis of target zone models on nonlinearities, ‘honeymoon effect’, ‘smooth pasting’ and marginal interventions has vanished. Exchange rate target zones are better described as similar to managed floating regimes with intra‐marginal interventions, with some marginal interventions when the exchange rate reaches the edges of the floating band. 相似文献
28.
José F. Molina-Azorín María D. López-Gamero Jorge Pereira-Moliner Eva M. Pertusa-Ortega 《Entrepreneurship & Regional Development》2013,25(5-6):425-456
Mixed methods research is becoming an increasingly popular approach in several fields. However, its application in the field of entrepreneurship has not been studied. The authors reviewed the use of mixed methods research in three entrepreneurship journals and two leading generalistic journals that publish entrepreneurship research, examining the main purposes and designs. A total of 955 articles were reviewed and 81 mixed methods studies were identified. The analysis of these articles revealed opportunities associated with the application of this approach. Mixed methods may help to improve entrepreneurship research addressing challenges emphasized in earlier studies. Suggestions on why and how to use mixed methods research are offered, and recommendations are provided to guide future mixed methods studies to advance our understanding of the entrepreneurial phenomenon. 相似文献
29.
Carmen Antón 《Public Management Review》2013,15(6):852-875
Abstract The present work explores employee acceptance of process innovation in a public administration from a complementary three-fold theoretical perspective, the Technology Acceptance Model (TAM), the Cognitive Model of Satisfaction (CMS) and the Satisfaction-loyalty Model (SLM). The proposed model integrates these approaches, and considers the moderating effect of employees' perceived experience with the new process. Although findings support that behavioural intentions are determined by perceived usefulness, satisfaction and attitude towards the new technology, we find that as employees' perceived experience increases, use intention becomes a routine, and the evaluation of the new process proves irrelevant in terms of usefulness or quality. 相似文献
30.
António Aguiar Costa Amílcar Arantes Luís Valadares Tavares 《Journal of Purchasing & Supply Management》2013,19(4):238-246
This paper analyses public e-procurement implementation and emphasizes its main difficulties and impacts in relation to the type of public organizations. The primary impacts and changes in the Portuguese public sector are analyzed within the new legal framework, which adopts mandatory e-procurement for any open, restricted or negotiated procedure. In this sense, two surveys carried out in consecutive years were conducted to assess the implementation difficulties and impact of e-procurement in the Portuguese public sector.The major value of this research is that it presents and discusses, for the first time, evidences about difficulties and impacts on the mandatory adoption of public e-procurement, based on the case of Portugal. The results show that the entities’ administrative level influences the e-procurement implementation, which is influenced by the innovation adoption process. 相似文献