• A Quantum of Self: A Study of Self-Quantification and Self-Disclosure 

      Maltseva, Kateryna; Lutz, Christoph (Journal article; Peer reviewed, 2018)
      An increasing number of people are tracking their fitness activities, work performance and leisure experiences using body sensors (e.g., wrist-bands or smart watches) and mobile applications. This trend, referred to as ...
    • A social milieu approach to the online participation divides in Germany 

      Lutz, Christoph (Journal article; Peer reviewed, 2016)
      Research on digital divides has been helpful in advancing our understanding of the social structuration of Internet access, motivations to go online, digital skills, and Internet (non-)use, including participatory uses. ...
    • Authenticity and the Sharing Economy 

      Bucher, Eliane; Fieseler, Christian; Fleck, Matthes; Lutz, Christoph (Journal article; Peer reviewed, 2018)
      Based on a qualitative interview-study as well as on a quantitative survey among users of the room sharing platform Airbnb, we show that situational closeness between sharing economy consumers and providers may prompt ...
    • Benefits and harms from Internet Use: A differentiated analysis of Great Britain 

      Blank, Grant; Lutz, Christoph (Journal article; Peer reviewed, 2018)
      Recent studies have enhanced our understanding of digital divides by investigating outcomes of Internet use. We extend this research to analyse positive and negative outcomes of Internet use in the United Kingdom. We apply ...
    • Collective Action and Provider Classification in the Sharing Economy 

      Newlands, Gemma Elisabeth Marjorie; Lutz, Christoph; Fieseler, Christian (Journal article; Peer reviewed, 2018)
      Conditions in the sharing economy are often favourably designed for consumers and platforms but entail new challenges for the labour side, such as substandard social-security and rigid forms of algorithmic management. Since ...
    • Consumer segmentation within the sharing economy: The case of Airbnb 

      Lutz, Christoph; Newlands, Gemma Elisabeth Marjorie (Journal article; Peer reviewed, 2018)
      The sharing economy is a global phenomenon with rapid growth potential. While research has begun to explore segmentation between users and non-users, only limited research has looked at consumer segmentation within sharing ...
    • Digital Inequalities in the Age of Artificial Intelligence and Big Data 

      Lutz, Christoph (Journal article; Peer reviewed, 2019)
      In this literature review, I summarize key concepts and findings from the rich academic literature on digital inequalities. I propose that digital inequalities research should look more into labor- and big data-related ...
    • European Perspectives on Power in the Sharing Economy 

      Newlands, Gemma; Lutz, Christoph; Fieseler, Christian (Research report, 2017)
      This report, ‘European Perspectives on Power in the Sharing Economy’, forms one element of a European Union Horizon 2020 Research Project on the sharing economy: Ps2Share ‘Participation, Privacy, and Power in the Sharing ...
    • Love at first swipe ? Explaining tinder self-presentation and motives 

      Ranzini, Giulia; Lutz, Christoph (Journal article; Peer reviewed, 2017)
      The emergence of location-based real-time dating (LBRTD) apps such as Tinder has introduced a new way for users to get to know potential partners nearby. The design of the apps represents a departure from “old-school” ...
    • Online serendipity: A contextual differentiation of antecedents and outcomes 

      Lutz, Christoph; Hoffmann, Christian Pieter; Meckel, Miriam (Journal article; Peer reviewed, 2017)
      Critics worry that algorithmic filtering could lead to overly polished, homogeneous web experiences. “Serendipity,” in turn, has been touted as an antidote. Yet, the desirability of serendipity could vary by context, as ...
    • Power in the Sharing Economy 

      Newlands, Gemma; Lutz, Christoph; Fieseler, Christian (Research report, 2017)
      Literature review
    • Privacy cynicism: A new approach to the privacy paradox 

      Hoffmann, Christian Pieter; Lutz, Christoph; Ranzini, Giulia (Journal article; Peer reviewed, 2016)
      Privacy concerns among Internet users are consistently found to be high. At the same time, these concerns do not appear to generate a corresponding wave of privacy protection behavior. A number of studies have addressed ...
    • Privacy in the Sharing Economy 

      Ranzini, Giulia; Etter, Michael; Lutz, Christoph; Vermeulen, Ivar (Research report, 2017)
      Literature review
    • Recommendations for the Sharing Economy: (Re-)Balancing Power 

      Newlands, Gemma Elisabeth Marjorie; Lutz, Christoph; Fieseler, Christian (Research report, 2018)
      This report, ‘Recommendations for the Sharing Economy: (Re-)Balancing Power’, forms one element of a European Union Horizon 2020 Research Project on the sharing economy: Ps2Share ‘Participation, Privacy, and Power in the ...
    • Representativeness of Social Media in Great Britain: Investigating Facebook, LinkedIn, Twitter, Pinterest, Google+, and Instagram 

      Blank, Grant; Lutz, Christoph (Journal article; Peer reviewed, 2017)
      Sociological studies show that Internet access, skills, uses, and outcomes vary between different population segments. However, we lack differentiated statistical evidence of the social characteristics of users of distinct ...
    • Sharing by Proxy: Invisible Users in the Sharing Economy 

      Newlands, Gemma Elisabeth Marjorie; Lutz, Christoph; Hoffmann, Christian Pieter (Journal article; Peer reviewed, 2018)
      With the future of work increasingly data-driven, platforms automate decisions based on the collection of vast quantities of user data. However, non-users constitute a challenge as they provide little to no data for either ...
    • The Dark Side of Online Participation: Exploring Non-, Passive and Negative Participation 

      Lutz, Christoph; Hoffmann, Christian Pieter (Journal article; Peer reviewed, 2017)
      Studies on the “second-level digital divide” explore the socio-economic antecedents and effects of (a lack of) user participation on the Internet. At the same time, some have criticized a normatively affirmative bias in ...
    • The Role of Privacy Concerns in the Sharing Economy 

      Lutz, Christoph; Hoffmann, Christian Pieter; Bucher, Eliane; Fieseler, Christian (Journal article; Peer reviewed, 2018)
      Internet-mediated sharing is growing quickly. Millions of users around the world share personal services and possessions with others—often complete strangers. Shared goods can amount to substantial financial and immaterial ...
    • What’s mine is yours (for a nominal fee): exploring the spectrum of utilitarian to altruistic motives for Internet-mediated sharing 

      Bucher, Eliane; Fieseler, Christian; Lutz, Christoph (Journal article; Peer reviewed, 2016)
      In this contribution, we scrutinize the diverse motives for internet-mediated sharing as well as their role in shaping attitudes towards sharing one’s possessions in commercialized as well as non-commercialized settings. ...
    • Where Dating Meets Data: Investigating Social and Institutional Privacy Concerns on Tinder 

      Lutz, Christoph; Ranzini, Giulia (Journal article; Peer reviewed, 2017)
      The widespread diffusion of location-based real-time dating or mobile dating apps, such as Tinder and Grindr, is changing dating practices. The affordances of these dating apps differ from those of “old school” dating ...