Small trade- and investment-oriented economies like the United Kingdom (UK) should carefully consider whether to regulate online platform services based on presumptions rather than evidence that consumers are being harmed. Flimsily enforced platform regulation can have a chilling effect on...

While much attention has been given to 'de-politicisation', its reversal through 'repoliticisation' is also possible. We examine 'institutional re-politicisation' - increases in the formal powers and discretion of elected politicians' - in hard cases - policies for regulating Cross-Border...

Having its first commercial breakthrough with ChatGPT, in 2023 artificial intelligence (AI) has rung in the fourth industrial revolution. This article outlines the technicalities and economics underlying generative AI, and what they mean for competition in digital markets and for antitrust and...

This paper provides the first quantitative economic models of pharmacy benefit management regulation. The price-theoretic models allow for various market frictions and imperfections including market power, coordination costs, tax distortions, and incomplete innovation incentives. A rigorous...

The Australian Competition & Consumer Commission (ACCC) released its Digital Platform Services Inquiry, Interim Report No. 5 (Regulatory Reform) in September 2022. In December 2022, the Australian Treasury requested comments on the report. The ACCC Report recommends, inter alia, several...

Observing that in an environment where the citizen is digitally immersed and cognitively suppressed to the dangers of tyranny of elitisms, mega mergers can usher in a cascading set of Transmogrification leading to erosion in deliberative democracy. Evaluating the antitrust issues surrounding the...

This study compares the impact of antitrust regulations on firm market value for Chinese versus U.S. internet platforms. Applying an event study approach to daily stock market data during 2010–2022, we investigate the cumulative abnormal returns of Hong Kong- and U.S.-listed internet...

The newly enacted Digital Markets Act (DMA) finds itself at a crossroads. The DMA can develop into a specialist field of competition law for digital platforms or it can evolve into a new field of EU law, detached from competition law. The DMA’s ultimate trajectory will depend on the legal...

The newly enacted Digital Markets Act (DMA) finds itself at a crossroads. The DMA can develop into a specialist field of competition law for digital platforms or it can evolve into a new field of EU law, detached from competition law. The DMA’s ultimate trajectory will depend on the legal...