People & thinkers

A Pit Trader's Day: Life Inside Open-Outcry Markets Pit traders worked in a choreographed chaos of hand signals, position tracking, and split-second decisions—executing hundreds of trades daily on physical exchange floors.

Abba Lerner's Functional Finance: Deficits as a Policy Tool Lerner's framework for using government spending to manage full employment and inflation, judging budgets by economic effects rather than balance.

Activist Investor Settlement vs Proxy Fight: How Campaigns Resolve Activist investor campaigns typically end in negotiated board settlements rather than proxy fights, shifting power without requiring a shareholder vote.

Activist Short Seller vs Long-Only Activist Investor: Key Differences Understand the contrast between activist short sellers who publish bearish reports and long-only activists pushing for board changes, including tactics and disclosure rules.

Alan Greenspan Federal Reserve chairman for nearly two decades whose faith in market self-correction and light regulation later came to be seen as contributing to the 2008 financial crisis.

Alternative Data Sources Used by Quant Funds Quantitative funds harvest alternative data sources—satellite imagery, credit card transactions, web scraping—to build trading signals faster than traditional research.

Amartya Sen and the Capability Approach in Development Economics How Amartya Sen's capability approach reframes development around human freedoms instead of just GDP.

Andy Krieger The Bankers Trust trader whose 1987 short of the New Zealand dollar created a notional position exceeding the entire money supply.

Angus Deaton: Consumption, Inequality, and the Great Escape Angus Deaton is an economist known for demand systems, poverty measurement, and his thesis that modern welfare gains are distributed unequally across health and wealth.

Anna Schwartz and the Monetary History of the Great Depression Anna Schwartz's collaboration with Milton Friedman blamed Federal Reserve contraction for transforming a recession into the Great Depression, reshaping central banking doctrine.

Antifragility in Investing: Taleb's Framework Nassim Taleb's concept of antifragility in investing: building portfolios that benefit from volatility and tail events rather than merely surviving them.

AQR and Alternative Risk Premia Cliff Asness and AQR pioneered liquid alternative risk premia strategies accessible beyond hedge funds, packaging systematic factor returns.

Arthur Laffer and the Laffer Curve Arthur Laffer's Laffer Curve explains how tax revenue and tax rates interact: very high tax rates can reduce total revenue by discouraging work and investment, though the debate over where revenue-maximizing rates lie remains contested.

Arthur Okun's Law: Unemployment and the Output Gap Okun's Law links unemployment changes to GDP loss: each 1% rise in joblessness typically costs roughly 2% of economic output. How policymakers use this rule.

Aswath Damodaran and Story-Driven Valuation How Damodaran grounds discounted cash flow models in coherent business narratives before crunching numbers.

Ben Bernanke Federal Reserve chairman who studied the Great Depression and applied those lessons during the 2008 financial crisis, using unconventional tools to prevent economic collapse.

Benjamin Graham Intellectual founder of value investing whose analytical framework for finding stocks trading below intrinsic value shaped generations of investors and remains foundational to security analysis.

Benjamin Graham's Defensive Investor Stock-Selection Criteria Benjamin Graham's seven quantitative criteria for defensive stock selection: size, dividend history, price-to-earnings ratio, price-to-book ratio, debt load, and working capital.

Benjamin Graham's Net-Net Stock Method Explained How Benjamin Graham defined and calculated net-net working capital value, the strategy's historical success, and why it works less reliably for modern investors.

Bernard Baruch Legendary American speculator and advisor to U.S. presidents from the 1910s through the Cold War, celebrated for market skill and political influence.

Bill Ackman Activist investor and Pershing Square founder whose public campaigns against corporate management and bullish/bearish market calls have made him one of finance's most visible and controversial figures.

Bill Ackman and Concentrated Activist Investing Ackman's model of taking large stakes, publishing investment theses, and pressing management for change.

Bill Ackman's Concentrated Long-Term Investing Style Bill Ackman's concentrated long-term investing approach: a small number of large equity positions held for years, with deep due diligence and activist influence.

Bill Gross The founder of PIMCO who redefined fixed-income investing through total return strategies and became one of the most influential bond managers of the last five decades.

Bill Gross and Total Return Bond Management How Gross transformed fixed-income investing from passive buy-and-hold into active duration and yield management.

Bill Miller Legg Mason value manager who beat the S&P 500 for fifteen consecutive years before a historic reversal.

Boaz Weinstein Former Deutsche Bank prop trader turned activist investor; founder of Saba Capital specializing in credit derivatives and distressed opportunities.

Bogleheads Community following John Bogle's low-cost index investing philosophy

Brian Hunter and the Amaranth Collapse How one natural-gas trader's concentrated long position destroyed a $9 billion hedge fund in weeks in 2006.

Bruce Kovner Macro trader and Caxton Associates founder whose disciplined approach to global currencies, bonds, and commodities defined modern systematic hedge trading.

Capital Allocation Activism: When Investors Target Buybacks and Dividends Activist investors campaign to change how companies return capital to shareholders, targeting cash hoarding, low-return projects, and inadequate buyback and dividend policies.

Carl Icahn Activist investor who pioneered hostile takeovers and built a $40B empire through leverage and operational takeover.

Carl Icahn and Shareholder Activism Mechanics How the activist investor built the modern playbook: proxy contests, board pressure, and forced buybacks that unlocked shareholder value.

Carmen Reinhart Economist whose empirical research on sovereign debt crises and financial collapses reshaped policy and forecasting frameworks.

Cathie Wood Founder of ARK Invest and influential thematic investor whose focus on disruptive innovation and willingness to concentrate in emerging technologies has shaped how growth investors approach the future.

Cathie Wood and Disruptive Innovation Investing Wood's thesis that exponential technology curves justify valuations far above near-term earnings multiples, and how to identify and size bets on transformative innovation.

Central Bank Governor: Role, Powers, and Influence on Markets What a central bank governor does, how they set monetary policy, hold political independence, and why their statements move markets.

Charlie Munger Vice chairman of Berkshire Hathaway and Warren Buffett's business partner whose unsparing intellect and willingness to challenge conventional wisdom shaped modern capital allocation.

Charlie Munger's Inversion Thinking Applied to Investing How Charlie Munger uses inversion thinking—asking what causes failure—to avoid investment mistakes and improve decision-making.

Charlie Munger's Mental Models for Investing Charlie Munger's mental models for investing draw from psychology, economics, engineering, and history. They form a decision-making toolkit for identifying great businesses.

Chuck Akre Virginia-based investor and Akre Capital founder who synthesised value and growth investing around the framework of compounding companies earning high returns on capital.

Circle of Competence: Warren Buffett's Investment Framework Understand how Warren Buffett's circle of competence guides investment decisions. Learn how to identify what you truly know and avoid costly mistakes.

Cliff Asness Quantitative investor who founded AQR Capital and pioneered systematic factor-investing strategies, bringing academic finance into practical institutional trading.

Cliff Asness and Systematic Factor Investing How Asness institutionalized value, momentum, and carry into quantitative portfolio rules.

Commodities Corporation A Princeton-based futures trading firm that shaped the careers of Soros, Marcus, and Kovner and pioneered systematic trend-following.

Common Causes of Novice Trader Account Blowups Why new traders lose entire accounts: overleveraging, revenge trading, ignoring correlation, and poor position sizing.

Damodaran's Intrinsic Value Method Explained Aswath Damodaran's discounted cash flow framework for estimating intrinsic value, with step-by-step projections, growth stages, and discount rate selection.

Damodaran's Narrative and Numbers Framework How Aswath Damodaran bridges storytelling and spreadsheet modeling, tying every valuation assumption to business narrative.

Dan Loeb Activist investor and Third Point founder whose public campaigns against corporate management and willingness to challenge entrenched interests have made him one of hedge fund activism's leading voices.

Daniel Kahneman Psychologist whose research on human judgment and decision-making revealed systematic biases that affect how people make financial decisions, revolutionizing behavioral economics.

Daron Acemoglu on Institutions and Economic Growth How Daron Acemoglu's theory links inclusive institutions to long-run economic growth and development.

David Abrams Boston-based value investor who built a concentrated, low-turnover fund that compounded quietly for two decades through patient stock selection and extreme discipline.

David Dreman Contrarian theorist who demonstrated that low-P/E stocks systematically outperform despite sceptical market sentiment.

David Einhorn Value investor and short-seller whose deep research on accounting fraud and financial sector risks has made him an influential voice on corporate governance and market integrity.

David Einhorn and Forensic Short Selling How the activist short-seller uses detailed accounting analysis and public evidence to expose overvalued companies and enforce market discipline.

David Ryan: Three-Time U.S. Investing Champion David Ryan won the U.S. Investing Championship three consecutive years in the 1980s using CANSLIM, proving mechanical disciplined selection could outperform professional managers.

David Shaw Computational scientist and financial engineer who founded D.E. Shaw and pioneered statistical arbitrage, combining physics, computer science, and trading at institutional scale.

David Swensen Yale's chief investment officer and pioneer of the endowment model whose disciplined asset allocation and strategic focus on alternative investments transformed institutional investing.

David Tepper Legendary credit investor and founder of Appaloosa Management whose ability to find value in distressed debt has made him one of finance's most consistent outperformers.

Discretionary Trading vs Systematic Trading: How Each Approach Works Compare discretionary trader vs systematic trader approaches: judgment-based trading versus rule-driven algorithms, with historical edge analysis.