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Currently, politicians, university representatives, scholars and leading NGOs share a strong belief in the ability of educational systems to generate positive attitudes to sustainable development (SD) among citizens, with the idea of Education for Sustainable Development (ESD) as perhaps the most apparent expression of this conviction. The aim of this paper is to investigate whether ESD might have the intended effects on teacher education students. More specifically, we account for the results from a panel study on the effects of a course on SD held in autumn 2010 at the University of Gothenburg (n = 323) on teacher education students. The surveys consisted of questions about the students' concerns about various issues, including issues related to SD, and their attitudes towards SD and views of moral obligations to contributing to SD. The study included a control group (n = 97) consisting of students from the teacher-training programme at University West, which had not and did not include ESD. We find positive effects of ESD on almost all attitudes and perceptions, including e.g., personal responsibility in relation to SD and willingness to contribute to SD, while there is no noticeable effect in the control group. We conclude the paper by discussing the implications of our results for the idea of ESD in teacher training programmes at Swedish higher education institutions.

This paper contributes to the scant empirical literature on the effects of emigration on source countries' labour markets. Using a novel dataset by Brücker et al. (2009), we investigate whether emigration from the Central and Eastern European (CEE) members of European Union (EU) during the period 2000 to 2007 has contributed to the decline in unemployment observed in these countries. We find that along with structural changes that occurred in the CEE economies during the last decade, emigration indeed had a strong negative effect on unemployment in these countries. A 10 per cent increase in emigration rate leads to around 5 per cent decrease in unemployment rate. Given the minor effect of immigration on host countries' unemployment found in the literature (including the studies examining the East-West European migration), this paper's results indicate that the opening up of labour markets following the enlargement of EU in 2004 mainly has had positive effects.

The advent of the Internet of Things and the growing interest in continuous monitoring by wearables have created a need for conformable and stretchable displays. Electrochromic displays (ECDs) are receiving attention as a cost-effective solution for many simple applications. However, stretchable ECDs have yet to be produced in a robust, large scale and cost-efficient manner. Here we develop a process for making fully screen printed stretchable ECDs. By evaluating commercially available inks with respect to electromechanical properties, including electrochromic PEDOT:PSS inks, our process can be directly applied in the manufacturing of stretchable organic electronic devices. The manufactured ECDs retained colour contrast with useful switching times at static strains up to 50% and strain cycling up to 30% strain. To further demonstrate the applicability of the technology, double-digit 7-segment ECDs were produced, which could conform to curved surfaces and be mounted onto stretchable fabrics while remaining fully functional. Based on their simplicity, robustness and processability, we believe that low cost printed stretchable ECDs can be easily scaled up and will find many applications within the rapidly growing markets of wearable electronics and the Internet of Things. ; Funding Agencies|Swedish Foundation for Strategic ResearchSwedish Foundation for Strategic Research; Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials at Linkoping University [SFO-Mat-LiU No. 2009-00971]

AbstractHow should education be structured to most effectively increase civic outcomes such as political knowledge and democratic values? We present results from a field experiment in which we compare the effects of deliberative education and traditional teacher-centered education. The study is the largest field experiment on deliberative education to date and involved more than 1,200 students in 59 classrooms. We test the effects on four forms of civic competence: political knowledge, political interest, democratic values, and political discussion. In contrast to previous research, we find little evidence that deliberative education significantly increases civic competence.

Lead-free tin-based solder joints often have a single-grained structure with random orientation and highly anisotropic properties. These alloys are typically stiffer than lead-based solders, hence transfer more stress to printed circuit boards (PCBs) during thermal cycling. This may lead to cracking of the PCB laminate close to the solder joints, which could increase the PCB flexibility, alleviate strain on the solder joints, and thereby enhance the solder fatigue life. If this happens during accelerated thermal cycling it may result in overestimating the lifetime of solder joints in field conditions. In this study, the grain structure of SAC305 solder joints connecting ceramic resistors to PCBs was studied using polarized light microscopy and was found to be mostly single-grained. After thermal cycling, cracks were observed in the PCB under the solder joints. These cracks were likely formed at the early stages of thermal cycling prior to damage initiation in the solder. A finite element model incorporating temperature-dependant anisotropic thermal and mechanical properties of single-grained solder joints is developed to study these observations in detail. The model is able to predict the location of damage initiation in the PCB and the solder joints of ceramic resistors with reasonable accuracy. It also shows that the PCB cracks of even very small lengths may significantly reduce accumulated creep strain and creep work in the solder joints. The proposed model is also able to evaluate the influence of solder anisotropy on damage evolution in the neighbouring (opposite) solder joints of a ceramic resistor. ; Funding details: VINNOVA, 2015-01420; Funding details: Swedish Insitute, SI; Funding text 1: This work has been conducted within the Swedish national project "Requirements, specification and verification of environmental protection and life of solder joints to components" supported by the Swedish Governmental Agency for Innovation Systems (Vinnova) under contract 2015-01420 .