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A headline that says the economy grew 5% can be almost entirely inflation. This lesson separates the two GDP figures every economist keeps side by side - nominal GDP, measured at current-year prices, and real GDP, measured at constant base-year prices - and shows why only the second one tells you whether people can actually buy more. Covers the rough subtraction that gets you from one to the other, how the gap compounds across decades of historical comparisons, and why statistical agencies keep moving the base year.

Upwind, a San Francisco and Tel Aviv cloud and AI security startup, raised a $400M Series C at a $3.8B valuation led by Bessemer. It reportedly turned down a Datadog buyout bid.

If real GDP strips inflation out of the headline number, something has to measure that inflation - and it isn't CPI. The GDP deflator is the ratio of nominal to real GDP expressed as an index, and it covers everything GDP covers: investment goods, government purchases and exports, not just the consumer basket. A walkthrough of how it's built, why it disagrees with CPI, why it gets revised repeatedly, and how to use it to tell price-driven growth apart from real production.

Easol, a UK experience-commerce and event-tech platform, raised a $30M Series A extension: $20M equity from Y Combinator, Tiger Global and others, plus a $10M Viola Credit debt facility. It also launched AI agents called "Teammates."

Northstar Security emerged from stealth with a $7M seed led by Wing VC. It builds an agentic AI security platform on a real-time "Security Context Graph."

Ibis, an onchain credit platform for frontier markets, emerged from stealth with a $250M credit facility from FalconX.

AvalonX, an AI security startup, left 18 months of stealth with $10M from Ridown Capital. It sells continuous AI-powered penetration testing to small and midsize businesses.

Atlas Bio emerged with $12.5M to apply AI to drug trials.

A country can have an enormous economy and a poor population - total GDP can't tell the two apart, which is why analysts divide it by the number of people. This lesson covers what GDP per capita reveals about typical living standards, why the real and PPP-adjusted versions are the only ones worth comparing across borders, the rough bands that separate advanced from developing economies, and the two things the average still hides: unequal distribution and population growth eating into the headline.

The Fed rate stays at 3.75%-4% after a 10-2 vote, as Lisa Cook and Beth Hammack dissented for a hike and Chair Kevin Warsh announced fewer meetings from 2027.

Rivian acquired Third Dimension AI, a startup that turns real driving data into editable 3D simulation environments for self-driving edge cases.

GDP = C + I + G + (X − M) is the formula behind almost every GDP headline you'll read - the expenditure approach, the most widely reported way to calculate output. A breakdown of the four spending components: consumption, by far the largest at roughly 68% of U.S. GDP; business investment in equipment, structures, and inventory at about 17%; government spending on both consumption and investment; and net exports, which runs negative for most developed economies with a trade deficit.

North Vector Dynamics, a Calgary counter-drone missile-interceptor startup, raised a Series A of more than $20M from Tech Horizons, ONE9 and Garage Capital.

The expenditure approach isn't the only way to arrive at GDP - the income approach gets to the same number from the other side of the transaction, adding up every factor income businesses pay out: wages, profits, interest, and rent. It rests on a simple accounting identity - what the economy produces must equal what it pays to produce it - and, unlike the spending breakdown, it surfaces who actually captures the gains from growth.

Lette, a Dublin startup using AI agents to automate property leasing, raised a $6.5M seed.