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Collegiality is the modus operandi of universities. Collegiality is central to academic freedom and scientific quality. In this way, collegiality also contributes to the good functioning of universities’ contribution to society and democracy. In this concluding paper of the special issue on collegiality, we summarize the main findings and takeaways from our collective studies. We summarize the main challenges and contestations to collegiality and to universities, but also document lines of resistance, activation, and maintenance. We depict varieties of collegiality and conclude by emphasizing that future research needs to be based on an appreciation of this variation. We argue that it is essential to incorporate such a variation-sensitive perspective into discussions on academic freedom and scientific quality and highlight themes surfaced by the different studies that remain under-explored in extant literature: institutional trust, field-level studies of collegiality, and collegiality and communication. Finally, we offer some remarks on methodological and theoretical implications of this research and conclude by summarizing our research agenda in a list of themes.

I historically compare changes in institutional frameworks creating academic positions linked to temporary employment by analyzing university employment statistics in Chile, Colombia, Germany, and the USA. I find that temporary academic positions were institutionalized through the creation of previously inexistent academic categories called a contrata in Chile, de cátedra in Colombia, “junior professor” without tenure in Germany and “postdoc” in the USA; used in higher education and employment laws since 1989, 1992, 2002, and 1974, respectively. Under institutional frameworks demanding the maximization of students and research, universities have increasingly contracted academics through temporary contracts under rationales that differ between regions. In Colombia and Chile, public university leaders and owners of private universities contract such teaching positions to expand student numbers through lowering costs. In Germany and the USA, employment insecurity is mostly driven by temporary scientific positions under a main rationale of scientific expansion. The share of temporary positions has increased exponentially in Colombia and Germany in recent decades, whereas in the USA there has only been an increase since 2012. Moreover, in Chile, the share of permanent positions has decreased since 2012. The common trend is one of isomorphism of vertical academic structures sharing a pyramidal form, with a wide base of academics working under conditions of contractual insecurity. Such trends follow a rationale for maximization of student numbers as well as administration, and scientific production that is in tension with prioritizing wellbeing and improvement of academics’ working conditions. Yet, in these environments, the institution of tenure in the USA and recent Chilean regulations on accreditation represent mechanisms counteracting precarious employment.

Recent changes in university systems, debates on academic freedom, and changing roles of knowledge in society all point to questions regarding how higher education and research should be governed and the role of scientists and faculty in this. Rationalizations of systems of higher education and research have been accompanied by the questioning and erosion of faculty authority and challenges to academic collegiality. In light of these developments, we see a need for a more conceptually precise discussion about what academic collegiality is, how it is practiced, how collegial forms of governance may be supported or challenged by other forms of governance, and finally, why collegial governance of higher education and research is important.

We see collegiality as an institution of self-governance that includes formal rules and structures for decision-making, normative and cognitive underpinnings of identities and purposes, and specific practices. Studies of collegiality then, need to capture structures and rules as well as identities, norms, purposes and practices. Distinguishing between vertical and horizontal collegiality, we show how they balance and support each other.

Universities are subject to mixed modes of governance related to the many tasks and missions that higher education and research is expected to fulfill. Mixed modes of governance also stem from reforms based on widely held ideals of governance and organization. We examine university reforms and challenges to collegiality through the lenses of three ideal types of governance – collegiality, bureaucracy and enterprise – and combinations thereof.

The purpose of this paper is to evaluate the extreme pressure properties of CuO and TiO₂ nanoparticle additives with the incorporation of a surfactant within a synthetic fluid for metal-forming applications.

The paper studies the effect of CuO and TiO₂ nanoparticle additives at various concentrations (0.01, 0.05 and 0.10 wt. per cent) in a synthetic lubricant fluid under extreme pressure conditions. Oleic acid surfactant is added to the nanolubricant to improve dispersion and stability of nanoparticles. Extreme pressure tribological tests are performed on a four-ball T-02 tribotester according to the ITEePib Polish method for testing lubricants under conditions of scuffing.

The results show that the addition CuO and TiO₂ nanoparticles under the presence of OA resulted in an increase of the load-carrying capacity (poz) of the lubricant up to 137 and 60 per cent, respectively. The seizure load was also increased by 50 and 15 per cent, respectively.

The results show that CuO and TiO₂ nanoparticles can be successfully used as additives improving extreme pressure properties of lubricants.

This demonstrates the potential of nanoparticle additives using surfactants for improving the extreme pressure properties of lubricants. These nanolubricants can be used for metal-forming applications like deep-drawing, achieving an increased tool life.

The purpose of this paper is to identify the main variables that affect the establishment of a good faculty-student pedagogical relationship in representative samples from a main university in Ecuador.

In the first phase of this exploratory mixed methods study, focus groups were conducted to identify the variables of interest, and in a second phase, these variables were rated in relevance by applying the “pile-sort” method.

Results showed that for students, the variable that most affects the establishment of a good relationship with their faculty is the “faculty’s knowledge,” while the variable that showed the least effect is the “number of students in the classroom.” On the other hand, faculty members responded that the variables that most affect the establishment of a good pedagogical relationship are “empathy with students,” “vocation” and “faculty’s knowledge,” while they considered that the least relevant variables were “context” variables such as “the number of students in the classroom” and “the physical conditions of the classroom.”

These results provide relevant insights into the importance that students place on the theoretical resources that faculty members show as a foundation for establishing positive relationships. In the same way, the relevance that faculty members place on the elements “empathy,” “vocation” and “knowledge” as key variables needed to establish positive interactions.

Previous research had underlined the importance that positive faculty-students relationships have on achieving learning goals. However, the variables that would affect the establishment of these relationships were not clearly recognized.

This paper aims to find out what attitudes Economics and Business students have towards sustainability and what they expect from their education in relation to the achievement of economic, social and environmental sustainability. The objective is to find out if the studies of Economics and Business favour the development of pro-sustainability attitudes, taking into account factors such as the gender of the students, the course in which they are enrolled and the economic training received before entering university.

A survey was designed covering ecological, social, cultural, economic and political aspects. The survey was conducted among students of the Bachelor’s Degree in Business Administration and Management and the Bachelor’s Degree in Economics. The authors used discriminant analysis and analysis of variance to test the research hypothesis.

Students are concerned about environmental problems and are aware of the need for action, but there is little consensus on the actions needed to overcome them. Some negationist traits are detected: those who rely more on technology give less importance to environmental problems and to the possibility of a major ecological catastrophe. Girls are more in favour of sustainability than boys, and students who have previously studied economics consider that their training has enabled them to evaluate the resources available and necessary to perform any job more than those who have not studied economics, regardless of their sex and year.

Many articles have focused on the importance of sustainability in higher education, but hardly any have analysed the role of economic education in achieving sustainability. Given the importance and the proven inter-relationship between economics and sustainability, with this article, the authors contribute to fill the gap in the literature. It is necessary that current students and future professionals receive adequate economic education.

This paper aims to elaborate on the concept of avoided emissions, as a topical issue in the carbon accounting debate, both in practice and in academia. It is a commentary on the paper by Revellino (2019) who analyses an avoided emissions technology in the transport sector.

This is a commentary based on secondary data analysis.

This commentary reviews the history of quantification for avoided emissions and elaborates on three major challenges that project using “avoided emissions” face. This commentary is also a reflection on why avoided emissions calculations are needed in a world of transition, and how this leads to the concept being used and abused while being central to the building of new foundations.

The commentary flags a few areas that could be research focus areas in future.

This paper can lead to changes in the public perception of “avoided emissions” and corporate claims around emission avoidance.

This commentary outlines clear avenues for research, asking notably to reflect on the acceptable uses and acceptable claims related to avoided emissions.