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21.
On the green and innovative side of trade competitiveness? The impact of environmental policies and innovation on EU exports 总被引：1，自引：0，他引：1
Valeria Costantini 《Research Policy》2012,41(1):132-153
This paper aims at exploring how the export competitiveness of the European Union has been affected by environmental regulation and innovation. Starting from the Porter idea that environmental policies may foster international competitiveness by inducing technological innovation. We test both the strong and narrowly strong versions of the Porter hypothesis, in order to understand if such a virtuous cycle is confined into the environmental goods sector (respecting the narrow criterion) or it spreads out through the whole economic system. For this purpose we adopt a theoretically based gravity model applied to the export dynamics of five aggregated manufacturing sectors classified by their technological or environmental content.When testing the strong version, the overall effect of environmental policies does not seem to be harmful for export competitiveness of the manufacturing sector, whereas specific energy tax policies and innovation efforts positively influence export flows dynamics, revealing a Porter-like mechanism. When testing the narrowly strong version, environmental policies, but more incisively environmental innovation efforts, foster green exports. These results show that public policies and private innovation patterns both trigger higher efficiency in the production process through various complementarity mechanisms, thus turning the perception of environmental protection actions as a production cost into a net benefit. 相似文献
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Calcium hydroxide is typically used in Cultural Heritage conservation for superficial protective treatments thanks to its conversion into calcium carbonate. Calcium carbonate is, in fact, compatible with many carbonate-based architectonic surfaces, because its characteristics are similar to those of the restored materials. In order to improve calcium hydroxide treatments, Ca(OH)2 particles with sub-micrometric dimensions (nanolimes), are synthesised by a chemical precipitation process: a sodium hydroxide solution, used as precipitator, is added, drop by drop, to a calcium chloride one. In this paper, a nanometric calcium hydroxide, to be used in stones treatment, is produced adding in the initial solutions a surfactant agent (Triton X-100); the solutions are then mixed together simultaneously, drastically reducing the time needful for preparation. Different contents of surfactant are employed, and the influence on particles dimension and carbonatation process is analysed too. The obtained Ca(OH)2 nanoparticles are characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and electron diffraction (ED). The Ca(OH)2 nanoparticles are regularly shaped, hexagonally plated and with side dimensions less than 200 nm: in particular, increasing the surfactant content, the particle dimension reaches values until 20 nm. Comparing nanolime suspensions obtained without and with the addition of the surfactant agent, the last ones have comparable, if not better, performances in terms of average particle size and morphology, crystallinity and reactivity. Afterwards, the alcoholic nanolime suspension obtained by using Triton X-100 is applied on some natural stones; in fact, the aim of this section is to compare the obtained results with those achieved using a nanolime synthesised without the surfactant agent. To evaluate the treatment effectiveness in a preliminary way, standard tests are performed and compared with the same tests previously obtained by the nanolime synthesised without the surfactant agent: “Scotch Tape Test” and capillarity test. 相似文献
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The absorptive capacity of an organization is its ability to translate the knowledge sourced from outside into commercial benefits. Having gained a certain academic interest, the mechanism of the absorptive capacity phenomenon is still puzzling. This paper provides some limited confirmation of earlier frameworks; however, absorptive capacity is demonstrated to be a set of interrelated success factors rather than a sequential process of knowledge articulation in a company. The new model of absorptive capacity proposed encompasses four dimensions: continuing development, bottom-up innovation, trust-based internal cooperation, and deferred knowledge use. The continuing development facet entails a strong positive impact on organizational performance, while the bottom-up innovation dimension deteriorates it. Trust-based internal cooperation and deferred knowledge use report mixed results. 相似文献
24.
Yolanda Salinas-Alvarez Alejandro Quiroga-Garza Javier Humberto Martinez-Garza Guillermo Jacobo-Baca Pablo Patricio Zarate-Garza Karla Valeria Rodríguez-Alanís Santos Guzman-Lopez Rodrigo Enrique Elizondo-Omaña 《Anatomical sciences education》2021,14(4):471-481
Anatomical sciences curricula have been under constant reform over the years, with many countries having to reduce course hours while trying to preserve laboratory time. In Mexico, schools have historically been autonomous and unregulated, and data regarding structure and methods are still lacking. A national survey was sent by the Mexican Society of Anatomy to 110 anatomical sciences educators. The questionnaire consisted of 50 items (open and multiple choice) for gross anatomy, microscopic anatomy, neuroanatomy, and embryology courses in medical schools across Mexico. A clinical approach was the most common course approach in all disciplines. Contact course hours and laboratory hours were higher in Mexican anatomy education compared to other countries, with the highest reported contact hours for embryology (133.4 ± 44.1) and histology (125 ± 33.2). There were similar contact hours to other countries for gross anatomy (228.5 ± 60.5). Neuroanatomy course hours (43.9 ± 13.1) were less than reported by the United States and similar to Saudi Arabia and higher than the United Kingdom. Dissection and microscopy with histological slides predominate as the most common laboratory activities. Traditional methods prevail in most of the courses in Mexico and only a few educators have implemented innovative and technological tools. Implementation of new methods, approaches, and curricular changes are needed to enhance anatomical sciences education in Mexico. 相似文献
25.
Valeria Varea 《Sport, Education and Society》2019,24(4):325-337
Conversation regarding the challenges and pressures that Early Career Academics (ECAs) face in the current context of the neoliberal university sector has begun to grow generally, and in the field of Physical Education and Sport Pedagogy (PESP) in particular. However, the additional challenges faced by non-white PESP academics in their early careers have, as yet, been absent from the ECA conversation. In this paper, I draw upon my own experiences as a non-white, female ECA with English as an additional language (EAL), working in the field of PESP in a developed English-speaking country, to explore racialised discourses and practices in the academia. To do so, I make use of a critical whiteness lens and an autoethnographic approach. In the analysis of the narratives, I invite others to reflect on how race is socially constructed, on the ‘extra effort’ that non-white academics with EAL must expend in order to survive colour-blind academia, and on the limited options for agency among non-white ECAs. The paper concludes with reflections on how academics need to open the dialogue ‘just a bit more’ to include non-white academics in the conversation about ECAs working in neoliberal university contexts to create spaces for equitable work. 相似文献
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Gustavo González-Calvo Valeria Varea Lucio Martínez-Álvarez 《Sport, Education and Society》2019,24(2):158-167
The importance of the Physical Education (PE) teacher’s body, particularly for teaching PE, has been highlighted in literature. PE teachers are expected to be clear role models to students through their acts, behaviours and bodies. However, their strong embodied subjectivities, particularly those related to their teaching practices, may be problematised. This paper explores the ways in which a group of 15 pre-service PE teachers from a Spanish university constructed perspectives about the body and health in relation to their professional practices. Body journals were used to collect data, which were analysed using a Deleuze-Guattarian approach. The findings reveal the significant emphasis participants placed on their own bodies while teaching PE and the pressure they felt to conform to certain expectations of their professional roles. In response, we propose critical reflection on the content of Physical Education Teacher Education (PETE) programmes and incorporation of alternative pedagogical approaches to alleviate the heavy reliance on pre-service teachers’ bodies. 相似文献
27.
Chiara Valeria Marinelli Daniela Traficante Pierluigi Zoccolotti Cristina Burani 《Scientific Studies of Reading》2013,17(5):333-349
This study examines the effects of orthographic neighborhood size (N-size) in relationship with word frequency on the reading aloud of children with and without dyslexia whose language has a consistent orthography. Participants included 22 Italian fourth-grade children with dyslexia and 44 age-matched typically developing readers. Children with dyslexia read low-frequency words with high N-size faster than words that had no neighbors; by contrast, typically developing readers showed no N-size effects, irrespective of word frequency. The facilitating effect of N-size on low-frequency word reading in children with dyslexia indicates that they benefit from lexical activation spreading from dense neighborhoods. 相似文献
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ABSTRACT The model replacing a dedicated off-campus library services (OCLS) unit was one in which librarians provide services to both on- and off-campus students and faculty within their liaison disciplines. A year after this model was implemented, faculty in subjects taught both on- and off-campus were surveyed to assess their awareness of library resources and whether this awareness impacted course assignment design. Findings from this survey combined with a planned review of off-campus course syllabi will help identify areas of concern and lead to ways to strengthen awareness and usage of library resources. 相似文献
30.
Fabio Alivernini Elisa Cavicchiolo Laura Girelli Valeria Biasi Fabio Lucidi 《The Journal of educational research》2018,111(5):603-611
In the study, based on a representative sample of 26,670 Italian fifth-grade students, the authors examine the academic motivational profiles of immigrant and native students, as well as of boys and girls. To reliably estimate mean differences, the measurement invariance of a short version of the Academic Self-Regulation Questionnaire was first established across the groups. Boys reported less autonomous motives for studying than girls while first-generation immigrant pupils showed higher levels of intrinsic motivation, identified regulation, and external regulation for studying than natives did. Also, second-generation immigrants had higher levels of academic motivation than natives did, although they were less motivated and reported less autonomous reasons for studying than first generations. While confirming the immigrant paradox in a country with a rapidly increasing level of immigrant students, findings show that second-generation immigrants not only report a lower quantity of motivation than first-generations, but also appear to have a different quality of motivation. 相似文献