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  1. Competitors' reactions to big tech acquisitions
    evidence from mobile apps
    Autor*in: Affeldt, Pauline Luise; Kesler, Reinhold
    Erschienen: 9. Dezember 2021
    Verlag:  DIW Berlin, Deutsches Institut für Wirtschaftsforschung, Berlin

    Since 2010, Google, Apple, Facebook, Amazon, and Microsoft (GAFAM) have acquired more than 400 companies. Competition authorities did not scrutinize most of these transactions and blocked none. This raised concerns that GAFAM acquisitions target... mehr

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    Verlag (kostenfrei)
    Verlag (kostenfrei)
    Resolving-System (kostenfrei)

    Standort:
    Bundesverfassungsgericht, Bibliothek
    Signatur:
    Online-Ressource
    Fernleihe:
    keine Fernleihe

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    DS 14
    Fernleihe:
    keine Fernleihe

     

    Since 2010, Google, Apple, Facebook, Amazon, and Microsoft (GAFAM) have acquired more than 400 companies. Competition authorities did not scrutinize most of these transactions and blocked none. This raised concerns that GAFAM acquisitions target potential competitors yet fly under the radar of current merger control due to the features of the digital economy. We empirically study the competitive effects of big tech acquisitions on competitors in a relevant online market. We identify acquisitions by GAFAM involving apps from 2015 to 2019, matching these to a comprehensive database covering apps available in the Google Play Store. We find that competing apps tend to innovate less following an acquisition by GAFAM, while there seems to be no impact on prices and privacy-sensitive permissions of competing apps. Additionally, we find evidence that affected developers reallocate innovation efforts to unaffected apps and that affected markets experience less entry post-acquisition.

     
    Export in Literaturverwaltung   RIS-Format
      BibTeX-Format
    Quelle: Verbundkataloge
    Sprache: Englisch
    Medientyp: Buch (Monographie)
    Format: Online
    Weitere Identifier:
    hdl: 10419/249161
    Schriftenreihe: Discussion papers / Deutsches Institut für Wirtschaftsforschung ; 1987
    Schlagworte: mergers and acquisitions; digital markets; GAFAM; apps; innovation; privacy; event study
    Umfang: 1 Online-Ressource (39 Seiten), Diagramme
  2. M-health apps and physical and mental health outcomes of sexual minorities
    Autor*in: Drydakis, Nick
    Erschienen: July 2022
    Verlag:  IZA - Institute of Labor Economics, Bonn, Germany

    Given the assigned health inequalities faced by sexual minorities, it is fitting to assess whether m-health could be associated with better health-related outcomes for these sexual minorities. The present study examines associations between... mehr

    Zugang:
    Verlag (kostenfrei)
    Verlag (kostenfrei)
    Resolving-System (kostenfrei)

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    DS 4
    Fernleihe:
    keine Fernleihe

     

    Given the assigned health inequalities faced by sexual minorities, it is fitting to assess whether m-health could be associated with better health-related outcomes for these sexual minorities. The present study examines associations between m-physical and m-mental health apps and sexual minorities' physical and mental health status in Greece. The study utilized three waves of panel data collected in 2018, 2019, and 2020. The findings indicated associations between the use of m-physical and m-mental health apps and increased physical and mental health status for sexual minorities. The work concludes that m-health could enhance informational capabilities associated with increased levels of physical and mental health for sexual minorities. Indeed, the study found that, during the COVID-19 pandemic, sexual minorities experienced physical and mental health deteriorations. Interestingly, the estimates indicated that the association between the use of m-physical and m-mental health apps and increased mental health status for sexual minorities was stronger during the COVID-19 pandemic than before. The study suggests that tracking health-related information through m-health apps during periods of increased uncertainty could be associated with better health prevention and management. If m-health apps can alleviate adverse physical and mental health symptoms for sexual minorities, their potential should be considered.

     
    Export in Literaturverwaltung   RIS-Format
      BibTeX-Format
    Quelle: Verbundkataloge
    Sprache: Englisch
    Medientyp: Buch (Monographie)
    Format: Online
    Weitere Identifier:
    hdl: 10419/263629
    Schriftenreihe: Discussion paper series / IZA ; no. 15413
    Schlagworte: m-health; smartphone; apps; physical health; mental health; COVID-19; sexual minorities
    Umfang: 1 Online-Ressource (circa 33 Seiten)