Horizontal Shareholding

Horizontal Shareholding’s Anticompetitive Effects and the Mechanisms That Produce It

Waiting for further proof of causal mechanisms before addressing the anticompetitive harm caused by horizontal shareholding is unjustified, just as it was when people...

The Greatest Anticompetitive Threat of Our Time: Fixing the Horizontal Shareholding Problem

Undisputed empirical studies confirm that horizontal shareholding poses a great anticompetitive threat. What can antitrust enforcers do about it? Quite a lot, in fact.     Editors'...

Firms with Owners in Common Are Freer about Publicly Disclosing Information

The accounting literature has long examined how public disclosures relate to firm competitiveness. If common ownership is in fact hurting competition, companies with owners...

New Evidence and Legal Theories About Horizontal Shareholding

Harvard Law School professor Einer Elhauge on his new paper on horizontal shareholding, which provides new empirical evidence that even when horizontal shareholders individually...

The Anti-Competitive Effects of Common Ownership: Q&A with Martin Schmalz

Martin Schmalz, assistant professor of business administration and finance at the University of Michigan, speaks about the anti-competitive effects of common ownership, a situation in...

The ProMarket Monthly Roundup

The first edition of our monthly roundup that includes ProMarket posts from the previous month, as well as interesting stories from our “Weekly Briefing” section. The...

LATEST NEWS

Cogs and Monsters: Is Economics Destined to Remain a Dismal Science?

In her bold new book Cogs and Monsters: What Economics Is, and What It Should Be, Cambridge professor Diane Coyle offers a...

Is there a “California Effect” in Data Privacy Law? Why the EU is Not the World’s Privacy Cop

It is common lore in data privacy law and other fields that stringent regulatory standards (such as the ones introduced in the...

Governments Were Forced to Restrict Civil Liberties to Deal With Covid-19. More Flexible Constitutions Could Prevent That From Becoming the New Normal

A new paper argues that exploitation of gaps within democratic constitutions during emergencies, such as the Covid-19 pandemic, has the potential to...

The Social Responsibility of Business Includes Profits

Profits these days are often seen as a dirty word, but it is wrong to demonize profits. A company’s responsibility is not...

Academic Gatekeepers, Real and Imagined, Are Threatening the Credibility of the Field of Political Finance 


One objective of political finance is to hold power to account. However, gatekeeping, both direct and indirect, is keeping important work from...