Ethan Rouen

Ethan Rouen is an Assistant Professor of Accounting and Management at Harvard Business School, where he serves as the faculty co-chair of the Impact-Weighted Accounts Project. His research focuses on the disclosure, measurement, and management of human capital. Rouen holds a PhD in accounting from Columbia Business School.

History Shows that Voluntary ESG Standards Lead to a More Focused ESG Disclosure

In recent years, ESG reports have become more common for publicly traded companies. However, critics have found the information they provide to...

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The Impact of Large Institutional Investors on Innovation Is Not as Positive as One Might Expect

In a new paper, Bing Guo, Dennis C. Hutschenreiter, David Pérez-Castrillo, and Anna Toldrà-Simats study how large institutional investors impact firm innovation. The authors find that large institutional investors encourage internal research and development but discourage firm acquisitions that would add patents and knowledge to their firms’ portfolios, hampering overall innovation.

The FTC Needs To Focus Arguments on Technological Transitions After High-Profile Losses

Joshua Gray and Cristian Santesteban argue that the Federal Trade Commission's focus in Meta-Within and Microsoft-Activision on narrow markets like VR fitness apps and consoles missed the boat on the real competition issue: the threat to future competition in nascent markets like VR platforms and cloud gaming.

We Need Better Research on the Relationship Between Market Power and Productivity in the Hospital Industry

Antitrust debates have largely ignored questions about the relationship between market power and productivity, and scholars have provided little guidance on the issue due to data limitations. However, data is plentiful on the hospital industry for both market power and operating costs and productivity, and researchers need to take advantage, writes David Ennis.

Debating the Draft Merger Guidelines: Transcript

On September 7, the Stigler Center hosted a webinar to discuss the draft merger guidelines. What follows is a slightly edited transcript of the event.

Holding Up the News

Meta has silenced news organizations’ social media accounts in response to Canada’s Online News Act, a law not yet in effect. Josh Braun describes the reasoning behind such legislation, its potential flaws, and how Meta, particularly Facebook, has turned the Canadian wildfire crisis into a regulatory pressure campaign.

Split the Legal, Economic and Policy Arguments of the Draft Merger Guidelines

To support the Agencies’ goals of stronger antitrust enforcement, Fiona Scott Morton recommends breaking the draft Merger Guidelines into three documents that clarify the Guidelines’ legal and economic justifications and overarching goals and priorities.

Randy Picker: A Brief for the Public?

Randy Picker provides his round-two comments on the draft Merger Guidelines.