This paper presents a broad retrospective evaluation of mergers and merger decisions in the digital sector. We first discuss the most crucial features of digital markets such as network effects, multi-sidedness, big data, and rapid innovation that create important challenges for competition...

In 2018, the European Council and the UK and Spanish governments each proposed to introduce a Digital Services Tax (DST), to be levied on the revenue of large digital platforms from advertising, online intermediation, and/or the transmission of data. We offer a rationalization of the DST as a...

Over the period 2015-2017, the five giant technologically leading firms, Google, Amazon, Facebook, Amazon and Microsoft (GAFAM) acquired 175 companies, from small start-ups to billion dollar deals. By investigating this intense M&A, this paper ambitions a better understanding of the Big Five's...

Platforms often use fee discrimination within their marketplace (e.g., Amazon, eBay, and Uber specify a variety of merchant fees). To better understand the impact of marketplace fee discrimination, we develop a model that allows us to determine equilibrium fee and category decisions that depend...

Public authorities in many jurisdictions are concerned about the proliferation of illegal content and products on online platforms. In this paper, we provide an economic appraisal of platform liability that highlights the effects of a stricter liability rule on several key variables such as...

Peer-to-business lending refers to online platforms facilitating loans from individuals to smalland medium-sized enterprises (SMEs). We conjecture that easy-to-understand risk ratings conveyed by the platform play a pronounced role in influencing the borrowing success of SMEs and that more...

Digital platforms sometimes offer incentives to a subset of sellers to nudge behavior, possibly affecting the behavior of all sellers in the equilibrium. In this paper, we study a policy change on a large e-commerce platform that offers financial incentives only to platform-certified sellers...

We study the effects of a voluntary skill certification scheme in an online freelancing labour market. We show that obtaining skill certificates increases freelancers' earnings. This effect is not driven by increased freelancer productivity but by decreased employer uncertainty. The increase in...

This paper estimates and quantifies the impact of structural reforms on per capita income for a large set of OECD and non-OECD countries. The findings suggest that the quality of institutions matters to a large extent for economic outcomes. More competition-friendly regulations, as measured by...

This paper analyses the evidence of job polarization in developing countries. We carry out an extensive review of the existing empirical literature and examine the primary data sources and measures of routine intensity. The synthesis of results suggests that job polarization in emerging...