Search results

A key characteristic of powder bed fusion for polymers is that also the non-processed powder in the powder bed is exposed to elevated temperatures. This alters the properties of the remaining powder, which is compensated by refreshing the used powder with new powder. Nonetheless, it is discarded after a certain number of process iterations, which is economically and ecologically highly disadvantageous. Research works intensively to analyse and reduce the concurring effects responsible for powder ageing. This study aims to give a comprehensive overview of the cumulative changes in the powder and the printed parts when conducting several subsequent build cycles.

New polyamide powder (PA12) was used in a total of nine subsequent build cycles with constant sintering parameters and without powder refreshing. After each iteration, the powder and parts were tested for their morphological, thermal and rheological properties.

The results are related to three main changes in the powder during the build cycles: decreasing bulk density (through agglomeration), increasing melt viscosity (through polyamide post-condensation) and increasing melting peak and onset temperatures (through thermal annealing of the powder).

Even though the ageing of PA12 powder in powder bed fusion is well-known, it is not yet fully understood. Studies are not complete and due to different ageing conditions only partially comparable. The detailed study aims to help understand the related effects of powder ageing for process-relevant properties and to show which factors require control to limit the powder ageing.

This paper aims to address the novel phenomenon of tourism in the metaverse and analyse possible scenarios that could influence the resilience of a sustainable tourism paradigm in response to this new phenomenon.

Based on Kuhn’s paradigmatic framework, this paper offers an innovative perspective for the integration of new theories and practise-relevant phenomena. It emphasises the relevance and commensurability of different paradigmatic dimensions and outlines the scenarios for the integration of metaversal sustainability.

The phenomenon of tourism in the metaverse of the 21st century poses a new challenge to the existing paradigm of sustainable tourism, which traditionally focuses on the economic and ecological sustainability of planet Earth’s physical environment. The adoption of a metaversal sustainability scenario for the virtual and mixed reality is key to a responsible implementation of the paradigm of sustainable tourism development that considers all its environments, whether fantastic or realistic.

This study has its limitations, as metaversal tourism is still in the experimental phase. A more comprehensive understanding of the metaverse and its terminology is still evolving. There is potential to adapt the sustainable tourism paradigm to new technological environments if the metaverse is recognized as one in the future.

There are practical implications for tourism policy and practise. Tourism stakeholders need to adapt to the changing tourism landscape by recognising the metaverse as a viable environment committed to sustainable development. This will enable innovative strategies to govern, lead, promote and manage metaversal tourism and ensure that it is in line with the long-term goal of sustainability.

The metaverse holds considerable potential for transforming social perception and behaviour. Integrating the metaverse into the sustainability pillars of the sustainable development paradigm implies a forward-looking approach that takes into account the dynamics of people’s evolving desires and preferences. This inclusion advocates for sustainable development in all environments in which people live and explore.

This research stands out for its pioneering role in advancing a sustainable tourism paradigm that goes beyond the traditional planetary dimensions. By examining the impact of tourism in the metaverse, it proposes a path towards a more holistic and future-oriented paradigm of sustainable tourism in both the physical and virtual worlds. The coining of the term “metaversal sustainability” contributes to the lexicon of paradigms for both tourism and societal sustainable development.

本文阐述了旅游在元宇宙中的新现象, 并分析了可能影响可持续旅游范式应对这一新现象的弹性的可能情景。

传统的可持续旅游范式侧重于地球物理环境的经济和生态可持续性, 而21世纪的旅游现象对现有的可持续旅游范式提出了新的挑战。采用虚拟和混合现实的元宇宙可持续性情景是负责任地实施可持续旅游发展范式的关键, 该范式考虑了所有环境, 无论是梦幻还是现实环境。

由于跨时空旅游还处于实验阶段, 本研究存在一定的局限性。对元宇宙及其术语的更全面的理解仍在不断发展。如果未来的元宇宙环境被视为一种新的技术环境, 那么就有可能发现新的创新的、意想不到的实际解决方案, 使可持续旅游模式适应新的技术环境。

这对旅游政策和实践具有实际启发。旅游利益相关者需要通过认识到元宇宙是一个致力于可持续发展的可行环境, 以适应不断变化的旅游景观。这将使治理、领导、促进和管理元宇宙旅游的创新战略成为可能, 并确保元宇宙旅游符合可持续发展的长期目标。

元宇宙在改变社会认知和行为方面具有相当大的潜力。将元宇宙纳入可持续发展范式的可持续性支柱意味着一种考虑到人们不断变化的欲望和偏好的动态的前瞻性方法。这种包容提倡在人们生活和探索的所有环境中实现可持续发展。

独创性：这项研究在推动超越传统地球维度的可持续旅游范式方面发挥了开创性的作用。通过探究旅游在虚拟世界中的影响, 它提出了一条在现实世界和虚拟世界中实现更全面和面向未来的可持续旅游范式的途径。“元宇宙可持续性”一词的创造有助于增加旅游业和社会可持续发展的范式词典。

Basado en el marco paradigmático de Kuhn, este artículo ofrece una perspectiva innovadora sobre la integración de nuevas teorías y fenómenos relevantes para la práctica. Se destaca la relevancia y conmensurabilidad de las diferentes dimensiones paradigmáticas y esboza escenarios para la integración de la sostenibilidad del metaverso. Esta conceptualización se presenta visualmente en una ilustración que combina entornos de sostenibilidad virtuales y físicos. La visualización se complementa con una imagen que muestra a un turista en el metaverso, creada con el generador de imágenes DALL-E OpenAI.

Este trabajo de perspectiva aborda el novedoso fenómeno del turismo en el metaverso y analiza posibles escenarios que podrían influir en la resiliencia de un paradigma de turismo sostenible en respuesta a este nuevo fenómeno.

El fenómeno del turismo en el metaverso del siglo XXI plantea un nuevo reto al paradigma existente del turismo sostenible, que tradicionalmente se centra en la sostenibilidad económica y ecológica del entorno físico del planeta Tierra. La adopción de un escenario de sostenibilidad metaversal para la realidad virtual y mixta es clave para una aplicación responsable del paradigma de desarrollo turístico sostenible que tenga en cuenta todos sus entornos, ya sean ficticios o realistas.

Este estudio presenta limitaciones dado que el turismo metaversal se encuentra todavía en fase experimental. Una comprensión más completa del metaverso y su terminología está aún en evolución. Existe potencial para descubrir nuevas soluciones prácticas innovadoras e imprevistas para adaptar el paradigma del turismo sostenible a los nuevos entornos tecnológicos, si es que el entorno del metaverso se considera como tal en el futuro.

Existen implicaciones prácticas para la política y la práctica del turismo. Los agentes del turismo deben adaptarse al cambiante panorama turístico reconociendo el metaverso como un entorno viable y comprometido con el desarrollo sostenible. Esto permitirá aplicar estrategias innovadoras para gobernar, liderar, promover y gestionar el turismo del metaverso, así como garantizar que esté en consonancia con el objetivo a largo plazo de la sostenibilidad.

El metaverso encierra un potencial considerable para transformar la percepción y el comportamiento social. La integración del metaverso en los pilares de sostenibilidad del paradigma del desarrollo sostenible implica un enfoque prospectivo que tenga en cuenta la dinámica de los deseos y preferencias cambiantes de las personas. Esta inclusión aboga por el desarrollo sostenible en todos los entornos en los que viven y exploran las personas.

Esta investigación destaca por su papel pionero en el avance de un paradigma de turismo sostenible que va más allá de las dimensiones planetarias tradicionales. Al examinar el impacto del turismo en el metaverso, se propone un camino hacia un paradigma de turismo sostenible más holístico y orientado al futuro, tanto en el mundo físico como en el virtual. La acuñación del término “sostenibilidad metaversal” contribuye al léxico del paradigma tanto del turismo como del desarrollo sostenible de la sociedad.

In this article, I answer the call to normalize and discuss how ethnographers navigate failure in the field by sharing my own experiences from long-term fieldwork in Malawi. I highlight, particularly, my own struggles with feelings of failure and the role of my interlocutors in helping me navigate and understand these situations.

My argument is based on more than 18 months of ongoing in-depth ethnographic fieldwork in Malawi, where I study the everyday practices of civil servants active in disaster governance, focusing on those working for the Malawi Government Department of Disaster Management Affairs (DODMA).

I use ethnographic vignettes to show how my interlocutors tried to teach me what being a Malawian civil servant is all about, which often came most forcefully to the fore in moments where either I or they deemed that I had failed to behave like one.

This adds new empirical data to the discussions on the various manifestations and roles of failure in ethnographic research, underlining how frictions and feelings of failure are a difficult yet productive and central part of fieldwork and ethnographic data creation.

The purpose of this paper is to provide details of the communist and socialist past to inform the debate on redesigning tourism in Central and Eastern European (CEE) countries as impacted by the transition and accelerated by European Union (EU) membership.

The issues from two sides are addressed: academic and practical. Based on a literature review, the authors propose a model of five main research topics that represent the main areas of change and conceptualise the general EU accession research debate on tourism. Content analysis is conducted on each of the revealed main research topics that are presented and discussed from the standpoint of tourism-relevant socialist and communist stature and image. On the other hand, this paper engages with reality as it surveys real-life practices in tourism development and business operation based on the personal experience of the researcher regarding the social situation under consideration.

The findings concerning the revealed main areas of tourism change in CEE countries following EU accession refer to the: change from communism towards a new image (Europeanisation and re-imaging), change from communism to capitalism (transformation and marketisation), change from old communist tourism products to new products (rejuvenation, diversification), change from communist towards sustainability values (sustainability) and change from tourism inside the communist block to international tourism (re-internationalisation) The discussion indicates how each area of change relates to socialist and communist content and its tourism relevance and the potential for tourism development, policy and business.

The list of relevant works is not exhaustive as only tourism-focussed quality journals are surveyed in order to define the main areas of change.

A very relevant source of information and impartial advice for tourism developers and policymakers in ex-socialist and communist countries is provided regarding tourism development at the strategic and managerial levels.

This paper fills an identified information/resource gap concerning the potential and contribution of communist and socialist heritage to tourism development and business, and places this in the context of the changes CEE countries have made in order to stay and/or become tourism destinations. It introduces a new term “tourism redesign” which explains the transition in tourism development, policy and management through different areas of change.

The purpose of this paper is to explore the current role of competition as one of the neglected aspects of museum marketing management. It also aims to discover whether museum professionals consider museums to be market immune and to find out what they think about the role of competition in creating and managing their existing and new services.

The theoretical part of the paper is based on a review of the literature from the multidisciplinary field of arts and museum marketing management. The exploratory qualitative research included 17 museum professionals and was carried out in 17 museums in one EU emerging market country.

Museum professionals are not aware of the competition, or they tend to ignore its existence. They consider the preservation of objects (exhibits) to be equally or even more important than providing services. However, additional services become important. Although some museum professionals try to engage visitors in the active creation of museum experience, most are still conservative in such terms.

The primary research limitations are related to intentional, convenience sample and the perspective of one employee (marketing manager or museums’ director).

Research findings provide valuable insights for both marketing academics and professionals engaged in the museum marketing management field. The contribution of the paper is also contextual as it helps to bridge the gap existing in museum marketing management research in the context of the emerging markets.

El objetivo de este trabajo es explorar el papel actual de la competencia, como uno de los aspectos que ha recibido escasa atención en la gestión del marketing de museos. Además, busca descubrir si los profesionales de museos consideran los museos inmunes al mercado, y conocer cómo reflexionan sobre el papel de la competencia en la creación y la gestión de los servicios existentes y los nuevos.

La parte teórica del trabajo se basa en la revisión de la literatura del campo multidisciplinario de la gestión de las artes y del marketing de museos. La investigación cualitativa exploratoria ha incluido 17 profesionales de museos y se ha realizado en 17 museos, en un país emergente de la Unión Europea.

Los profesionales de museos no son conscientes de la competencia, o tienden a ignorar su existencia. Consideran la conservación de objetos (exposiciones) igual o incluso más importante que la prestación de servicios. Sin embargo, los servicios adicionales están ganando en importancia. Si bien algunos profesionales de museos tratan de involucrar a los visitantes en la creación activa de la experiencia del museo, la mayoría de ellos todavía son conservadores con respecto a esta idea.

Las limitaciones principales de la investigación serefieren a la muestra intencional de conveniencia y el punto de vista de solo un empleado (gerente de marketing o director de museo).

Los resultados de este estudio proporcionan información valiosa tanto para los académicos de marketing como para los profesionales que trabajan en el campo de la gestión de marketing de museos. Además, la contribución de este trabajo es contextual puesto que ayuda a llenar el vacio existente en la investigación de la gestión de marketing de museos en el contexto de los mercados emergentes.

Population ageing will bring economic challenges in the future. The purpose of this paper is to examine whether increased educational level could mitigate the consequences of population ageing on economic sustainability, measured as the gap between labour income and consumption.

Using the National Transfer Accounts (NTA) methodology, the authors decompose labour income and consumption by age and educational level (low, medium and high) and compare obtained age profiles with those calculated conventionally. In addition, using the population projections by age and educational level, the authors project both profiles to 2060 for selected EU countries and assess future economic sustainability.

The results show that the highly educated have a significantly higher surplus for a longer period then those with lower and medium education. Therefore, the improved educational level of individuals will have a substantially positive impact on labour income in the future—on average by about 32% by 2060 for all EU countries included. However, as the better educated also consume more, higher production does not fully translate into improved economic sustainability, but the resulting net effect is still positive at about 19%.

The authors present for the first time an NTA by education for 15 EU countries and show the importance of including education in the analysis of the economic life cycle. The authors also show that increased educational level will mitigate the consequences of population ageing on economic sustainability in the future.

This workshop involved six presentations, the speakers being: Thomas Bieger, Christine Hope, Harold Pechlaner, Tanja Mihalic, Karl Socher, and Franc Pauko. As the papers are printed in the Hangzhou Congress volume (Keller & Bieger, 2000), attention here is to an integrative and reflexive overview, rather than to reporting sequentially the speakers' presentations.

Academic interest in role changes of management accountants (MAs) has increased during the past two decades. Role changes imply identity reconstructions as they do not only require an external legitimacy, but professionals have to internalize a new role script. Thus, this paper aims to contribute to a comprehensive understanding of the ongoing changes concerning MAs by providing an identity perspective.

This paper systematically reviews the literature on the changing role of MAs from an identity perspective, based on a conclusive sample of 64 articles.

This review identified several external factors such as professional associations and educational institutions as well as organizational and individual factors that impact MAs’ identity and act as change drivers. MAs’ identity is linked with their image in the public and within the organization and is challenged by increasing demands, conflicting expectations and technological progress. Hence, the literature sample illustrates a fragmented and contradictory picture regarding the changes of MAs’ identities and roles and displays that the idea of a simple movement from one identity to another is misleading. Furthermore, the identity perspective offers new issues for management accounting research, practice and education such as nested identity, multiple or desired identities.

To the best of the authors’ knowledge, this study is the first to review the literature of MAs’ changing identities and roles from an identity perspective. This perspective enables a novel focus on internal views, perceptions and internalized meanings of MAs connected with their role instead of exclusively debating changed external behavior expectations.

Education and employment are important elements of successful integration for immigrants in a host country. In Germany, young immigrants and members of the second immigrant generation have only limited access to higher education pathways and academic careers. Their trajectories are shaped mainly by the vocational training system, if they obtain any qualifications at all. Social risks for young people with immigrant backgrounds, and women in particular, such as being unemployed or having unstable careers, have frequently been pointed out by researchers, but little has been said about more qualified pathways available through privileged apprenticeships or academic qualifications. This article explores the social risks in trajectories of female immigrants following middle‐range or higher educational pathways in Germany. The cases discussed focus on young women who arrived in Germany during childhood or adolescence. The paper will first discuss the institutional settings of the German education system, focusing on their impact on pupils with immigrant backgrounds and how they overlap with existing gender inequalities in the recipient country. Discussion of the particular methodological approach will follow, before presentation of the findings of the case studies on female immigrants' transitions from education to work. The concluding discussion considers potential means to support participation in education and work for young women with immigrant backgrounds.

The authors aimed to contribute to the interface of comparative international entrepreneurship and international marketing by exploring the micro-foundations and micro-processes of network bricolage aimed at international market entry among the entrepreneurs of small biotechnology firms. The research questions of the study are (1) How do the international entrepreneurs of small firms act and use their domestic and/or international networks for new market entry? (2) How are the micro-foundations and micro-processes of networking similar or different between individuals from different countries?

A qualitative research design was used to investigate six cases from different countries of origin, looking at the micro-foundations and micro-processes underlying international market entry undertaken by entrepreneurs from Canada, Finland and New Zealand.

The micro-foundations for network bricolage by international entrepreneurs were taken to involve features of the country of origin, including market size and location, and the usefulness of the official language of the nation. The micro-processes were taken to involve the international entrepreneur’s network bricolage actions (i.e. collaborating and generating, obtaining and applying, reaching and maintaining, and seeking and reviewing), while encompassing also the location of their networks (domestic and/or international) and the operational domains these belonged to (R&D, funding, sales channel and customer). The study categorised three types of international entrepreneurs undertaking new market entry, illustrating cross-national differences: (1) sales-channel-oriented seekers, (2) funding-oriented riders and (3) customer-oriented hunters.

The study contributes to research on comparative international entrepreneurship and international marketing. This findings show that national-level micro-foundations influence the actions of network bricolage, the importance of various operational domains and the location of the network ties used. This main contribution is a conceptual model based on our cross-national investigation of international entrepreneurs’ networking actions. The authors reveal the micro-foundations and micro-processes relevant to international entrepreneurs’ network bricolage for new market entry, and present examples of international entrepreneur types emerging from our cross-national setting.