This paper relates to current concerns about the high concentration of digital platform markets and the effects of large companies such as Amazon, Facebook, Google, and Microsoft, on innovation. Several stakeholders and analysts assert that digital platforms have become so dominant that they...

The persistent dominance of US digital platforms relates to strategies that can be justified on efficiency grounds. However, these strategies might also offset competition and have ambiguous welfare effects. Overall, though, the economic literature does not provide a clear theoretical ground for...

This article addressed the problems of market definition, antitrust error, and digital platforms in Korean competition law and policy. As sound economic analysis is critical in dealing with antitrust cases, economic theories must be tested when those come to the courtroom. For a long time, on...

This article reflects on the way in which the new initiatives to regulate powerful online platforms in the European Union, the United States, the United Kingdom, and Germany challenge well-established fundamentals of modern antitrust and thereby reshape the future of competition law. It shows...

In its “Discussion Paper for Interim Report No. 5” of February 2022, the ACCC asked for suggestions on updating competition and consumer law for digital platform services. This paper addresses the larger issues involved from a specifically “European perspective”. To these ends, the...

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...

This book explores the regulatory options for digital platforms and data economies. The trade-offs between the market value of information and individual privacy rights are examined to provide rationale for regulation and policy suggestions. A general conceptual framework is provided for digital...

Micro, small, and medium-sized enterprises (MSMEs) are recognized as crucial drivers of economic development, particularly in low- and middle-income countries. The advent of digital platforms, characterized by economies of scale and significant cross-network externalities in two-sided markets,...