Sebastian Ullrich's research while affiliated with Deutsche Universität für Verwaltungswissenschaften Speyer and other places

Publications (11)

Article
The concept of business models has reached global impact, both for company's competitive success and in management science. Its application by authors from diverse areas has led to a previously very heterogeneous comprehension of the concept. Yet, by means of investigating its origin and theoretical development, we state a recently converging busin...
Article
Das Web 2.0 hat seit 2005 die Internetökonomie revolutioniert, wodurch eine Vielzahl von Geschäftsmodellvarianten hervorgebracht wurde. Der vorliegende Beitrag liefert eine systematische Analyse von betriebswirtschaftlichen Aktivitäten im Web 2.0, um die hoch relevante Frage der Erlöserwirtschaftung im Web 2.0 genauer zu untersuchen. In diesem Zusa...
Article
The integration of user into the value generation or innovation process has been established as a success factor in many industries. The internet and especially the recent developments with regard to social media have opened new possibilities for companies and users alike, owing to more direct and user induced participation. This paper introduces a...
Article
Full-text available
The technologies and functions of social media have significantly changed interaction on the Internet. These changes affect the perceived attractiveness of websites. Prior research regarding classic Internet offers has only partly considered these specifics. The determinants of attractive social media websites and corresponding online instruments r...
Article
Given the increasing importance of eHealth as an integral part of eGovernment, this contribution concentrates on the issue of acceptance regarding the introduction of the German electronic health card (eHC). A brief introduction highlights the relevance of the subject and the differing acceptance rates of patients and service providers, i.e. physic...
Article
For many companies, divestments represent an important strategic instrument to proactively manage their business portfolios. However, many transactions do not live up to the sellers’ expectations, as most sellers do not succeed in overcoming the information problem of the buyer. Therefore, transactions often result in prolonged negotiations and une...
Article
Advertising is a major source of income for magazine publishing companies and is necessary to balance the costs of editorial content production not covered by the copy price. In line with the resource-based vied of the firm, this study posits specific marketing assets and capabilities as a key factor influencing advertising revenues of magazine pub...
Article
Zusammenfassung Vor dem Hintergrund der zunehmenden Bedeutung des eHealth fokussiert der Beitrag die Akzeptanzproblematik bei der Einführung der elektronischen Gesundheitskarte (eGK) seitens der leistungserbringenden Gesundheitsinstitutionen. Nach Darstellung der Problemstellung wird die Relevanz des Themenbereichs beschrieben und die eGK definiert...
Article
There is virtually a consensus that, to remain competitive, firms must continuously develop and adapt their business models. However, relatively little is known about how managers can go about achieving this transformation, and how, and to what extent, different types of business models should be adapted. To illustrate the differential effect of en...
Article
Stable and enduring customer relationships rank among successful companies' key resources. Success in customer relationship management varies considerably between different firms; hence, the question arises as to which determinants are accountable for this success. Organizational customer relating capability is one possibility to explain relationsh...

Citations

... There is long-established literature on the concepts of BMs and BMI in the management canon (Amit & Zott, 2001;Gasparin et al., 2021;Wirtz, Pistoia, Ullrich, & Göttel, 2015). The definition and assessment of BMs and their innovation process has become a topic of paramount importance in the fields of strategy, innovation, and entrepreneurship (Ghezzi & Cavallo, 2020). ...
... This is accompanied by an effective networking of users and a large number of design and communication options. these aspects play a significant role, particularly in terms of BPM, as they come along with a higher degree of efficiency (Wirtz and Ullrich, 2008). By this means, the importance of the Internet and its role as interaction and cooperation platform is continuously growing (Beck, 2007). ...
... Kaplan and Haenlein (2010, p. 61) define social media as "a group of Internet-based applications that build on the ideological and technological foundations of Web 2.0, and that allow the creation and exchange of "User Generated Content". As most of the authors stressed, social media have significantly changed the way how people communicate to each other (Kietzmann et al., 2011;Solomon and Schrum, 2010;Song, 2010) by allowing them to actively design content through cooperative participation and permanent connection (Wirtz et al., 2014). Kaplan and Haenlein (2010) defined the following social media categories: blogs, collaborative projects, social networking sites, content communities, virtual social worlds and virtual game worlds. ...
... Mergers and acquisitions (M&As) are ubiquitous but risky (Angwin 2001), so to mitigate risks and complexities, acquiring firms undertake rigorous due diligence, which determines the time required to complete the deal, i.e. deal duration (Boone and Mulherin 2007;Defren, Wirtz, and Ullrich 2012). The degree of perceived M&A risk differs across deals and firms. ...
... Its constructs have been proven to be reliable and robust in numerous studies (e.g., Davis et al., 1989;King and He, 2006;Venkatesh and Davis, 2000;Venkatesh et al., 2003;Yarbrough and Smith, 2007). Acceptance of technological innovations is of high relevance because without an adequate degree of acceptance, innovation adoption and usage may fail despite high functional suitability (Wirtz et al., 2012). Perceived output quality refers to the judgment of the quality of intermediate or end products that result from using the system (Davis et al., 1992;Venkatesh and Davis, 2000). ...
... c. Es ist wünschenswert, zu Hause über Hausautomatisierung zu verfügen.Es wurde auf vergleichbare Formulierungen zurückgegriffen, wie sie die oben genannten Autoren(Porter & Donthu, 2006;Carter, 2008;Ha & Stoel, 2009;Wirtz et al., 2011) in ihren Untersuchungen verwenden. Auch hier ist in der Literatur keine Einheitlichkeit zu beobachten, häufig aber werden wie in diesem Fall drei Items verwendet.5.4.1.4 ...
... The next study analyzes the role of blockchain technology for operations and supply chain management (Tönnissen & Teuteberg, 2020). Valtanen, Backman, and Yrjölä (2019) investigate the blockchain technology's role in value creation in the 5G and smart grid use cases by applying the resource configuration framework (Adner & Kapoor, 2010) and the 4 C typology (commerce, context, content, and connection) (Wirtz, Schilke, & Ullrich, 2010). Weking et al. (2019), employing design science, investigate 99 blockchain ventures to understand emerging business models. ...
... Next, we describe the constructs of the SMILE framework. [28,43] Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [9] Team composition [85]; Be Sweet to Babies initiative [27]; ECHO [28] Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [9] Resource availability [10,26]; Be Sweet to Babies initiative [27]; ECHO [28] Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [9] Scope of topic covered [10,26]; Be Sweet to Babies initiative [27]; ECHO [28,43] Fudan JBI Initiative [84]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [51,79] Vision of impact [10,26,85]; Be Sweet to Babies initiative [27]; ECHO [28,43] Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [51,57] i-PARIHS e framework (innovation) [29] Messages and delivery strategies [10,26]; Be Sweet to Babies initiative [27]; ECHO [28,43] Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [44,47,49,52,54,56,[58][59][60][61][62][63]80] Behavior change model for internet interventions (website) [17] Messages [10,26]; Be Sweet to Babies initiative [27]; ECHO [28,43] Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [13,82,83] Behavior change model for internet interventions (website) [17] Delivery strategies [10,26]; Be Sweet to Babies initiative [27]; ECHO [28,43] - [15,48,55,65] i-PARIHS framework (recipients) [29] Recipients [15,45,53,55] Behavior change model for internet interventions (user characteristics [17] Demographics [46,64] Behavior change model for internet interventions (user characteristics) [17] Personal traits [48,50,55,65] COM-B f model (motivation and capability) [ [81] i-PARIHS framework (context) [29] Context Fudan JBI Initiative [7,8,24]; BUCM Cochrane Initiative [25]; It Doesn't Have to Hurt initiative [48,65,69,70,75,77] Behavior change model for internet interventions (website) ...
... Marketing orientation and innovation strategies are fundamental for newsprint media firm as it functions in an oligopolistic market as discussed by Khanduri and Sharma (2013). There is plentiful published literature available on newsprint media firms' marketing strategies including those by Beam (1995), Kaye and Quinn (2010), Wirtz et al. (2011), Westlund and Lewis (2014) and Sommer and Kerbs (2016). Becker et al. (2009) published specific studies on competitive intensity among media firms while mixed innovation and product placement strategies for newsprint media are discussed by Lacy and Martin (2004). ...