This episode discusses sources that analyze the profound migration of capital from active fund management to passive investment strategies, such as ETFs and index funds. The New Constructs report warns that this trend has created overcrowded trades, where massive inflows into a few dominant tech stocks result in market inefficiencies and inflated valuations. Meanwhile, the Federal Reserve discussion paper examines how this shift impacts financial stability, noting that while passive investing may reduce certain redemption risks, it increases industry concentration and can amplify market volatility. Both documents suggest that the decline of fundamental research creates a "Danger Zone" for passive investors while simultaneously opening new alpha opportunities for disciplined active managers. Ultimately, the authors argue that the unthinking allocation of capital based on index weightings rather than company health poses systemic risks to market liquidity and long-term returns. Here is a bibliography of the 10 sources the episode considers, ordered alphabetically by the author's last name or publisher:

Anadu, K., Kruttli, M., McCabe, P., & Osambela, E. (2020, May 15). The Shift from Active to Passive Investing: Potential Risks to Financial Stability? Finance and Economics Discussion Series 2018-060r1, Board of Governors of the Federal Reserve System.
Azar, J., Schmalz, M. C., & Tecu, I. (2017, March). Anti-Competitive Effects of Common Ownership. IESE Business School – University of Navarra, Working Paper WP-1169-E.
Fang, L., Jiang, H., Sun, Z., Yin, X., & Zheng, L. (2023, November 15). Limits to Diversification: Passive Investing and Market Risk.
Gerlach, D. (2025, August 11). The Detrimental Impact of Index Funds and ETFs on Small-Cap Stocks. myICLUB Blog.
Leithner, C. (2023, October 23). Index funds' key flaws – and how we overcome them.
Lund, D. S. (2018). The Case Against Passive Shareholder Voting. Journal of Corporation Law, 43(3), 494-535.
New Constructs / Trainer, D. (2020, May 11). The Hidden Dangers of Passive Investing. New Constructs.
Pan, K., & Zeng, Y. (2017, June). ETF Arbitrage under Liquidity Mismatch.
QuantPedia. How Does the Passive Investing Impact Market Risk? (Note: The provided source text currently only displays a "429 Too Many Requests" error, making further publication details unavailable).
Reddit (User: joe4942). The passive investing bubble? Burry might be right. Posted in the r/Burryology subreddit.

Episode Note
This episode draws on the sources listed above and incorporates AI-assisted research synthesis. All content has been reviewed and curated by the host. It is intended for educational purposes only and does not constitute investment or financial advice.