Mario Tufano

Essays

On behavioral finance, narrative economics, and the many ways in which confidence and competence fail to overlap.

The Bullshitting Gorilla's Venture onto Wall Street

Every generation encounters moments so powerful they blur the line between reality and fantasy. The meme stocks that gripped the equity markets in late 2020 and early 2021—AMC, GameStop—were one of those periods. A financial circus fueled by hope, greed, and the allure of fast money.

12 min read

The Power of Narratives: How Stories Shape Investor Behavior

The narrative is simply the way we tell each other stories—and it forms the water in which we navigate market behavior. For most of our existence, we lacked the tools to measure it, nor did we realize it even existed despite its omnipresence.

10 min read

Fear, Greed & the Whitepaper Expectation Fallacy

The impact of behavioral biases on financial markets has been well documented. But the whitepapers themselves may be creating biases of their own—a fallacy about how value investing actually works in the real world.

8 min read

Creative Destruction and the Age Anxiety of AI

Innovation builds the future. Anxiety trades it. The AI boom is fully underway — but so is the fear. A hypothetical 2028 doomsday scenario briefly rattled markets. What history tells us about technological revolutions and the anxiety they always produce.

11 min read

Visualizing Market Dynamics: Year-End Guide to Market Trends

Quality outpaces junk over the long haul. Only 10% of small cap value managers are outperforming in 2025 — but history shows each period of underperformance has been followed by massive outperformance. Small caps entered a new cycle in July 2025.

10 min read

Visualizing Market Dynamics: A Guide to Market Trends

Trump's tariffs signal a global trade inflection not seen since the 1940s. U.S. private investors now hold 44% of federal debt — more than double their share two decades ago — as interest expense becomes the second-largest budget line item.

10 min read

Visualizing Market Dynamics: A Guide to Market Trends

June 2024 edition: public debt surges to 121% of GDP, Wall Street gets earnings right but price targets wrong 79% of the time, and global fertility rates signal a decades-long demographic headwind.

9 min read

Visualizing Market Dynamics: A Guide to Market Trends

Our inaugural semi-annual visual guide to the macro forces shaping small cap markets — inspired by William Playfair's 18th-century insight that complex information is best conveyed through pictures.

8 min read