We quantify the prevalence of undisclosed influencer posts on Twitter across a large set of brands based on a unique data set of over 100 million posts. We develop a novel method to detect undisclosed influencer posts and find that 96% of influencer posts are not disclosed as such. Despite...

This paper will examine legal and marketing implications of certain Internet technological developments impacting competition and consumer protection in cyberspace. The paper will explore to what extent antitrust and consumer protection laws are adequate to deal with the challenges to a...

Social commerce represented at least $14 billion dollars in 2015, steadily increasing from previous years. A survey by Statista showed that 65.4% of US users had used a social media platform to make purchase directly through a post in 2017. As the size of social media worldwide continues to...

This paper provides an overview of the position of consumers on the EU Digital Single Market under de lege lata and de lege ferenda EU legislation. By fulfilling the goals of the EU Digital Single Market Strategy from 2015, the European Commission has released two proposals containing harmonised...

1 Introduction: digital transformation, big techs, and public policies -- 2 New economy(ies), new economics and new ‘digital’ rights -- 3 Big Techs, Market Power and Public Policies -- 4 Big techs and on-line information system -- 5 Private power and public policies: between antitrust and...