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This paper discusses how the "emergence" and assumption of the knowledge society as an ideological integration in the European Union (EU) and in the European Research Area (ERA), along with Managerialism and Neoliberalism influences, resulted in precarious and insecure employment relations in the Portuguese scientific system. The knowledge society as a policy idea and discourse has been encouraging the European states to design political initiatives to foster Innovation and Research to promote economic prosperity and social advancement. As a result of Europeanisation policies aiming at fostering Science and Technology (S&T), there has been a significant increase in the number of PhD graduates. Drawing on a quantitative study based on the data analysis of secondary data, this study shows how the design of knowledge society policies transformed a higher education and research system and induced an increasing number of doctorates, leading, along with managerialism and neoliberalism to the Uberisation of their working conditions. These doctorates have been mainly integrated into the higher education system with short-term contracts to develop tasks within research projects. This association with research projects along with their precarious working conditions turned them into invisible workers inside Higher Education Institutions (HEI), questioning the sustainability of the system.

English-medium instruction (EMI) has been growing rapidly in higher education institutions worldwide as one of the chief language policy initiatives related to internationalisation. Acknowledging the centrality of teachers in EMI implementation and their role as micro-level actors in language policy and planning, this paper sets out to identify, compare and discuss expatriate and home teachers' beliefs concerning the benefits and challenges of EMI. To address these aims, an exploratory qualitative study was conducted at a Portuguese higher education institution. Data was collected through a structured questionnaire, which included closed and open-ended questions and submitted to statistical and content analysis. Results suggest that expatriate and home teachers have similar beliefs concerning the challenges of EMI. Still, regarding benefits, expatriate teachers seem to have a more 'educationalist' perspective of EMI, whereas home teachers seem to focus on its economic benefits. Implications of these findings for institutional language policy and planning are discussed.

Recognizing the strategic relevance of higher education, various countries have established ambitious objectives for the percentage of graduates in their population by 2020. In some cases, without effective policies aimed at increasing domestic rates of participation in higher education, such goals will not be met. However, successful measures are difficult to design and to implement when the phenomena they target are complex and encompass many personal, cultural, social and economic variables. Such is the case of aggregate demand for higher education. Therefore, a precise knowledge of its more likely influences is indispensable to perform the forecasting exercises required to inform the process of policy design and, subsequently, to monitor its success. In this paper, we employ the partial least-squares regression, which allows modelling with many variables even with relatively few observations, to identify the most relevant determinants of aggregate demand for higher education in Portugal. Our choice of country is dictated by the availability of adequate data but our results, suggesting that the most important factors are policy dependent, and may thus be managed to support strategic educational objectives, may be useful in other national contexts.