Nassim Nicholas Taleb (Scholar Investor) – Taleb and Ravikant chat at Blockcon 2018 (Oct 2018)


Chapters

00:01:47 A Trader's Perspective on Theory and Practice
00:05:02 Understanding the Ludic Fallacy: Distinguishing Expertise from Illusion
00:08:46 Judging by Peers vs. Reality
00:11:15 Expert Accountability and Its Impact on Industries
00:16:08 Financial Crises, Risk Socialization, and the Birth of Bitcoin
00:20:56 The Golden and Silver Rules in Business and Life
00:29:04 Costly Signaling and Its Implications
00:31:18 Virtue Through Risk-Taking
00:35:14 Understanding Inequality and Opportunity in the Modern World
00:41:46 Insights on Education, Investing, and Skin in the Game
00:47:59 Symmetry and Asymmetry Theory
00:51:32 Convexity vs. Concavity in Investing
00:54:43 Lindy and Minority Rule in History
01:01:20 The Minority Rule: Its Prevalence and Implications
01:05:43 The Influence of Minority Rule and Intransigence on Society
01:12:03 Skin in the Game: Surviving in Groups and Individuals
01:22:28 Handling Uncertainty in Decision-Making

Abstract

Nassim Nicholas Taleb: A Paradigm Shift in Risk, Expertise, and Decision-Making

Abstract

Nassim Nicholas Taleb’s journey from trading to academia reveals a profound critique of expert knowledge and decision-making under uncertainty. His work challenges conventional wisdom in fields from economics to risk management, emphasizing the importance of practical experience, accountability, and skin in the game. This article explores Taleb’s key insights and their implications for everything from economic forecasting to leadership and entrepreneurship.



Early Life and Trading Career

Nassim Nicholas Taleb’s initial career in trading laid the foundation for his later ideas. His firsthand experience in the financial markets underscored the limitations and irrelevance of theoretical models in real-world scenarios. This practical exposure set the stage for his later critiques of academia and expert knowledge. As a trader, Taleb gained practical knowledge of the financial world, not as a mathematician or scientist. His experiences led him to realize the limitations of theoretical models and the disconnect between academics and practitioners. This ignited his quest to understand the complex interplay of theory and practice, academia, and the real world.

Transition to Academia and the Ludic Fallacy

Upon transitioning to academia, Taleb observed a disconnect between academic models and practical reality, a concept he termed the “ludic fallacy.” This fallacy illustrates the gap between real-life randomness and its oversimplified representation in games and models. He also identified the “expert problem,” where professionals may appear knowledgeable but lack true understanding, leading to potential fraud or poor performance. Taleb argues that academics often lack practical experience and their models clash with the realities of trading. He compares the relationship between academics and traders to a prostitute being lectured by nuns on how to do their business. After 21 years of trading, Taleb retired and sought a new career. He tried various retirement activities but found them unsatisfying. He embarked on an academic career, working on modeling. However, he encountered difficulties in communicating with academics, leading him to realize the stark contrast between theory and practice.

Expert Evaluation and Critique of Economic Experts

Taleb differentiates between fields where experts are judged by the direct impact of their work, like plumbers and dentists, and fields like journalism and economics, where peer judgment prevails. He criticizes economists, like Paul Krugman, for their consistent failure in forecasting economic events due to a lack of accountability to real-world outcomes. In fields like economics, where peer judgment prevails, experts can appear knowledgeable but lack true understanding. Taleb defines two types of professions: those where professionals lack expertise and those where professionals have a clear understanding of their field. The “black swan” concept distinguishes between domains where professionals have no clue (like climate studies) and domains where professionals have significant knowledge (like weather forecasting). Experts often judge each other instead of being accountable to reality or consumers. This lack of accountability leads to a decline in the quality of their work and expertise. This issue is particularly prevalent among economic experts, who often form circular citation rings and grant each other awards, creating a sense of self-importance and a lack of accountability to reality.

Alternative Evaluation Methods and Accountability

Taleb advocates for mechanisms that align expertise with real-world accountability. He cites shorting assets as a way to back skepticism financially, and references Hammurabi’s code and the example of pilots to illustrate accountability in expertise. He also highlights the practice of risk-hiding in the banking sector, as seen in Bob Rubin’s trades at Citibank, and its societal implications. Taleb argues that businesses that rely on peer judgment, such as the restaurant business, tend to deteriorate, while businesses judged by reality, like trading, thrive. He emphasizes the importance of being judged by reality rather than peers. In academia and bureaucracies, approval from peers is necessary for success, distorting the system. Bureaucrats are judged by other bureaucrats, creating a self-referential system.

Detecting Fake Virtues

People can recognize when someone is insincere or manipulative, especially in the context of politics or influential positions. This recognition plays a crucial role in understanding human interactions and influences in various spheres, including political and influential realms.

Zahavian Signaling and Costly Signaling

Zahavian signaling refers to the concept of “costly signaling,” where individuals display traits or behaviors that are inherently disadvantageous or risky to demonstrate their genetic superiority or fitness. This concept explains behaviors that may seem counterintuitive but serve a purpose in social or evolutionary contexts.

Risk-Taking as a True Virtue

Risk-taking is identified as a genuine virtue that cannot be easily faked or imitated, setting it apart from other virtues that can be superficially displayed. This highlights the value of genuine risk-taking in various aspects of life and decision-making.

Hagia Signaling and Peacocks’ Tails

The Hagia signaling concept delves into why peacocks possess elaborate tails that are essentially a handicap. This idea illustrates how certain traits, while seemingly disadvantageous, play a critical role in natural selection and social signaling.

Theological Debates

The author’s upbringing in a region influenced by the Greek Orthodox Church exposed him to extensive theological discussions, particularly regarding the nature of Christ. These debates provided a rich background in critical thinking and understanding complex concepts.

Ethical Principles in Leadership and Risk-Taking

Ancient societies emphasized symmetry, fairness, and reciprocity in their rules, expecting leaders to take more risks than ordinary citizens. Taleb underscores the importance of these principles, arguing that modern society often fails to hold leaders accountable for risk-taking. He suggests that true virtue involves sacrifice and risk, contrasting it with “virtual signaling.”

Defining Real Virtue

Real virtue involves sacrifice and cost, which are essential elements in determining the authenticity and depth of one’s virtuous actions and intentions.

The Importance of Risk-Taking

Starting a business is highlighted as a better path than working for a salary or joining an NGO, emphasizing the value of entrepreneurship and personal risk in professional choices.

The Example of Trump

Trump’s willingness to stand in the primaries with 11 or 12 opponents showed that he had skin in the game, illustrating the importance of personal investment and risk in political and leadership pursuits.

The Need for Entrepreneurs

Society needs entrepreneurs who are willing to take risks and fail, highlighting the essential role of entrepreneurship and innovation in societal progress and development.

The Green Lumber Fallacy and Importance of Experience

The “green lumber fallacy” illustrates the importance of practical experience over theoretical knowledge. Taleb argues for valuing insider knowledge and experience over appearances, critiquing the overemphasis on polished presentations and business plans. He shares an anecdote about a friend who lost money in the restaurant business, observing that awards are often given for superficial aspects, like “best wood panel restaurant” or “best sushi,” rather than the core business model or customer satisfaction.

The Measure of Inequality

Static inequality measurements, often used, provide an incomplete picture, failing to capture the dynamic nature of economic and social disparities.

Acceptance of Inequality

People are more accepting of inequality when the wealthy have taken risks and have skin in the game, suggesting a nuanced understanding of wealth and success based on merit and risk.

Equality of Opportunity vs. Outcome

Equality of opportunity is a more desirable goal than equality of outcome, which can lead

to undesirable outcomes, emphasizing the importance of fair chances over enforced equality.

Lessons from the Green Lumber Fallacy

True understanding and success often come from practical experience and being immersed in the relevant context, as demonstrated by the “Green Lumber Fallacy.”

Symmetry, Asymmetry, and Decision-Making

Taleb introduces concepts of symmetry and asymmetry in decision-making, emphasizing the importance of aligning actions with learning and feedback loops. He advocates for a trial and error approach, highlighting its positive asymmetry compared to design. This approach is exemplified by the Hollywood Doctor vs. the Butcher scenario, where choosing the less polished individual often leads to better outcomes. In early-stage investing, avoiding overly polished teams can be beneficial, and well-written business plans with excessive buzzwords can indicate a lack of substance. Conferences and networking events have their value, but passive participation offers limited benefits. Taleb’s work is characterized by its timeless and thought-provoking nature, with simple concepts backed by a strong mathematical foundation. His enjoyment of engaging in Twitter fights illustrates his approach to keeping entertained while maintaining a focus on accountability and real-world impact. Symmetry in decision-making involves aligning the consequences of actions with learning and feedback loops, ensuring proportionate outcomes. Asymmetry refers to extreme outcomes, often characterized by black swan events, where unpredictable events have significant impacts. Trial and error, or tinkering, has a positive asymmetry, where the potential upside outweighs the downside, exemplified by the process of making the best pizza.

The Lindy Effect, Minority Rule, and Black Swans

The Lindy effect, minority rule, and black swans are key concepts in Taleb’s philosophy. The Lindy effect suggests longevity as an indicator of resilience, while the minority rule demonstrates the disproportionate influence of a small, intransigent group. Black swans represent rare, unpredictable events with significant impact. Old technologies tend to outlive new ones due to resilience, as seen in blockchain concepts like the letter of credit. Bitcoin’s survival suggests its potential as digital gold, while government-issued currencies have been historically unstable. The minority rule can lead to unexpected outcomes and challenges conventional wisdom, as seen in non-smoking spaces and other accommodations for minorities. Sometimes, a counter-minority rule emerges in response to an intransigent minority. Minority rule, black swans, ergodicity, and loss aversion encompass concepts like the significant impact of a small group, rare events with a significant impact, changing system properties over time, and the stronger feeling of loss than gain.

Skin in the Game and Decision-Making Under Uncertainty

Taleb’s principle of “skin in the game” advocates for embracing uncertainty and positioning for more upside than downside. He advises focusing on actions with more upside and simplifying decisions in the face of uncertainty. Trial and error learning can boost our effective IQ, and Bitcoin represents an asymmetric bet with a greater potential upside. Bitcoin’s HL fragility makes it anti-fragile. Convex functions yield greater gains during upswings compared to losses during downturns. Shorting primitive currencies is a concave trade with limited upside and significant downside risk. Krugman’s short position on Bitcoin highlights the risks of concave trades. Despite its bestseller status, The Skin in the Game received no book reviews in America, illustrating the disconnect between mainstream recognition and real-world impact. The Lindy effect measures the lifespan of ideas or technologies.

Embracing Uncertainty and Pragmatism

Nassim Nicholas Taleb’s insights offer a paradigm shift in understanding risk, expertise, and decision-making. His emphasis on practical experience, accountability, and skin in the game challenges conventional wisdom across various fields. Taleb’s work advocates for a more cautious, pragmatic approach to uncertainty, encouraging individuals and societies to align actions with real-world outcomes and ethical principles.


Notes by: Ain