economics

Learn how stocks, exchanges, IPOs, valuation, and market indices work — from bid-ask spreads to the efficient market hypothesis.

How central banks work: the Fed, ECB, Bank of England, and Bank of Japan set interest rates, run QE and QT, and why independence matters, with sources.

Algorithms already execute most market trades. What happens when AI moves from executing human decisions to making all of them — and nobody is sure who's actually in charge?

AI is not disrupting all industries equally. Healthcare, law, and finance are being transformed at the root; others face slower, surface-level change.

Every delivery, every surgery, every harvest, every line of code — done by machines. What do 8 billion humans do on a Tuesday morning?

The US leads global AI investment by a massive margin, but Saudi Arabia and UAE are now committing percentages of GDP that rival Silicon Valley.

David Ricardo's 1817 insight about comparative advantage explains why countries trade and why the gains are real but unevenly shared. This explainer works through the arithmetic, then covers trade deficits, tariffs, supply chains, and the evidence on who pays.

Money is one of humanity's most powerful inventions, but it has no value in itself. Understanding its history reveals why that is a feature, not a flaw.

Classical economics assumed humans make rational decisions that maximize their self-interest. Then Daniel Kahneman and Amos Tversky spent decades documenting where that fails, and in which direction. Their work changed how governments design policies, how companies sell products, and how researchers think about money.

In 1923 Germany, a wheelbarrow of cash couldn't buy a loaf of bread. Understanding how this happens is more relevant than it might seem.

Derivatives get blamed for financial crises and praised for managing risk. The truth is they do both — often simultaneously.

The richest 1% own more than half of global wealth. Understanding how this happened requires separating measurement from politics.