I am an associate professor in the Finance Unit at Harvard Business School.
You can find all my research here.
New (10/2026): For a discussion of my latest work on Leveraged ETFs, see my appearence with my co-author Chris Murray on the Rational Reminder Podcast.
Other podcast appearances:
- Market Makers Webinar: Earnings announcements
- Rational Reminder Podcast, Episode 322: Passive ownership, Part 2
- IPO Stories: Passive investors and IPOs
- Rational Reminder Podcast, Episode 355: Passive ownership, Part 1
- Market Makers Webinar: Index evolution, structure, strategies, and liquidity (appearance begins around 49:00)
My blog has moved here.