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Teil eines Buches
Customizing multimedia with multi-trees
(Information Science Reference, 2009)
The navigational design comprises two components: the structure of the hypermed ia and the layout of user interfaces. The latter aspect is the focus of usability studies ( e.g., Falk & Sockel, 2005); whereas, the former is less frequently discussed in the literature and is given scent mention in lectures at universities or business schools. This article is mainly devoted to the former aspect, and:
• outlines the graph theoretic foundations for structuring hypermedia,
• introduces multi-trees forcustomizinghypermedia ...
Dissertation
The energy transition: An assessment of drivers and barriers
(2023)
Embedded in an introductory and a concluding chapter, the thesis comprises six distinct but related scientific articles. All articles contribute to a more holistic understanding of drivers and barriers of a successful energy transition. In the first part of the thesis, four articles address energy and economic efficiency in the electricity sector. These articles provide guidance for efficient regulatory policies and analyse measures seeking to increase preferences for dynamic electricity tariffs. The two articles in ...
Dissertation
Stakeholder management in sustainable supply chains
(2022-03)
This dissertation examines stakeholder management in the context of sustainable supply chain management. Since ecological deterioration and social discrepancy keep increasing, sustainability is considered one of the most significant challenges in our current time. Due to the growing public awareness of the environmental and social sustainability issues, multiple stakeholders drive the need to implement sustainability into SCs and hold the focal firms responsible for the actions of the entire SC. Stakeholder management ...
Dissertation
Internal Interruptions at Work
(2020)
This dissertation investigates internal interruptions at work, one of the main drivers of multitasking behaviour. The four empirical studies cumulated in this dissertation examine the preconditions to internal interruptions at work, the reasons behind why individuals interrupt themselves, the strategic advantage of internal interruptions, and impact of internal interruptions on performance. The main goals of this dissertation are to uncover the underlying processes of internal interruptions and observe it in real ...
Working paper
Das Sammeln und Kaufen von Contemporary Art
(2019)
Das Verhalten von Kunstsammlern und -käufern und die zugrundeliegende Motivation, gerade Contemporary Art zu erwerben, ist heute vor allem aus wirtschaftswissenschaftlicher Perspektive von großem Interesse. Dies ist zum einen auf den in beträchtlichem Maße wachsenden Markt für Contemporary Art zurückzuführen.
Working paper
Die Politisch-Administrative Elite der Weimarer Republik am 1. September 1920
(2021)
Diese Randauszählung wurde im Rahmen des Forschungsprojektes „Neue Eliten – etabliertes Personal? (Dis-)Kontinuitäten deutscher Ministerien in Systemtransformationen“ am Fachgebiet Public Management der Universität Kassel erstellt. Die hier präsentierten Tabellen und Abbildungen fassen die Ergebnisse deskriptiver Auswertungen der im Forschungsprojekt erhobenen Daten zur Politisch-Administrativen Elite der Weimarer Republik (Erhebungszeitpunkt 1. September 2020) zusammen und veranschaulichen die Häufigkeitsverteilungen ...
Dissertation
Crowd-Based Entrepreneurship
(2020)
The aim of this dissertation is to explore the innovation potential of crowdsourcing for entrepreneurship. The main focus is to discover how crowd-based infrastructures (i. e., crowdsourcing platforms and crowdfunding platforms) can support entrepreneurs in their innovation activities and how this new paradigm can be used to generate value for customers as well as actors of entrepreneurial ecosystems. The results of the dissertation show that crowdsourcing offers numerous opportunities to support entrepreneurs in ...
Dissertation
Determinants and Effects of Local Public Education Expenditures - an Empirical Approach
(2019-09-18)
There are many (international) debates on education and education expenditures from a political economic as well as from a scientific perspective. However, the role of German counties and local agents in Germany in general has not been analyzed from an economic perspective yet. This is the reason why my doctoral thesis investigates the role of German counties as the “forgotten” agent for the determinants and effects of local public school expenditures. This cumulative dissertation consists of three econometric papers ...
Dissertation
Working after hours, sharing availability expectations, and interrupting yourself: Extending perspectives on ICT-related concepts in research
(2019)
This dissertation investigates Information and Communication Technologies (ICTs) and their role for recovery, well-being, and performance at work. The three empirical studies compiled in this dissertation investigate the influence of ICT work-related use at work and at home, as well as supervisors’ expectations regarding extended availability. The three main goals of the dissertation were to explore alternative ways of understanding ICT-related concepts, to identify additional factors that change their impact and the ...
Aufsatz
Consumer Preferences for Local Food: Testing an Extended Norm Taxonomy
(2018-04-24)
Consumer attitudes toward consuming and buying locally produced food are well studied. By contrast, the topic of consumer preferences for local food, with a special emphasis on the role of norms, still lacks empirical evidence. To study the influence of norms and morals on the intention to buy local food products, a quantitative study (N = 327) focusing on external social and internalized moral norms was conducted using the constructs of the theory of planned behavior in combination with an extended norm taxonomy and ...