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Actionable insights — AI is the First Bubble With Every Ingredient at Once

The repeatable analysis behind the view: not what he's bearish on, but how he measures it — written so each test can be rerun later on different names and different cycles.
2026-AUG-28 · The Meb Faber Show #648 · Paul Kedrosky (SK Ventures; MIT Initiative on the Digital Economy) · ▶ Watch · full analysis · transcript
How to read this page: each insight is a method — the diagnostic he runs, the arithmetic behind it, and the signal to watch when re-running it. The boxed line shows how it played out in this appearance. Timestamps deep-link into the video.

28:36 1. Overdetermined failure — price the number of ways to break, not the odds of any one

The repeatable method
  1. Stop hunting for the catalyst. At a rich multiple the question isn't "what breaks it," it's "how many independent things could."
  2. Enumerate the distinct failure paths — for AI here: sovereign funding stress, a credit repricing, rogue-AI/regulatory shock, an oversupply wave in chips, a demand disappointment at the frontier labs, public/political backlash. Aim for a list, not a favourite.
  3. Assign each a deliberately low probability over the window — say 5% — and require them to be roughly independent.
  4. Compute the survival product, not the individual odds: 0.95^20 ≈ 36%, so failure probability > 60% over that same window. "What looks not particularly risky, or looks like it's unpredictable, is actually highly predictable."
  5. Expect the mechanism to look like nothing in particular — "pecked to death by ducks," with the post-hoc story naming whichever duck was loudest.
Here: NKE is the worked example — down 75%, hundreds of comments blaming product/competitors/politics, none naming that the P/E went from ~70 to ~20 (27:58). He applies the identical frame to the AI complex and to MU/semis (29:52).
Watch for

12:58 2. The internal-vs-external financing crossover — the datable Minsky tell

The repeatable method
  1. For any capex boom, track one ratio over time: share of the spend funded from internal operating cash flow vs from external capital (debt, ABS, private credit, sovereign money, SPVs, joint ventures).
  2. While it's mostly internal, the bear case is weak on its own terms — the spender is risking its own money and can stop.
  3. Mark the crossover past 50% external. That's the moment the boom becomes financialized: the funding is now divorced from what the asset does, and stopping becomes expensive rather than free.
  4. Verify the divorce qualitatively — ask what lenders actually underwrite. If the answer is the counterparty's credit and the lease term rather than the asset's economics, they are "looking through" the asset, and utilization no longer disciplines construction.
  5. Then size the systemic footprint: what share of the investment-grade market is this one theme, and how does that compare to a real sector?
  6. Watch for the tell in the arguments, not just the data: when the same people who said "it's safe because it's cash-flow funded" switch to "it's safe because sophisticated outside investors are funding it," that's motivated reasoning marking the turn.
Here: H1 2026 is the crossover — more than half of data-center financing is now external (ABS / private credit / sovereigns / SPVs, 13:36); lenders "look through" to a 12-year renewable lease with a prime credit behind it (15:21); a JP Morgan figure puts data-center paper at 15–18% of IG — larger than financial services (21:09).
Watch for

24:39 3. Model the IPO-supply drain — find who has to sell, and what

The repeatable method
  1. Tally the announced issuance calendar in dollar terms and scale it against history (here: SpaceX + Anthropic + peers ≈ $4T rising to $5.5T — more than all post-WWII US IPOs combined).
  2. Reject the printing-press assumption: large long-only funds hold little cash because cash is a performance drag. Every allocation is funded by a sale.
  3. Predict which holdings get sold using three filters — most liquid (least price impact), most overlapping with the thing being bought (avoid doubling factor exposure), and perversely best performing (lock in gains for the quarterly letter).
  4. Pull the sale date forward. Nobody raises billions the night before, and nobody wants to look "bigfooted and price distorting" — so the pressure appears weeks to months ahead of the listing.
  5. Now you have a datable, falsifiable forecast: named, liquid, crowded winners underperform in a specific window ahead of the calendar.
Here: modelled in March/April, predicting pressure on the liquid winners in the April–June window; he thinks that pressure was the pin under the Situational Awareness implosion — long exactly the names that had to become the funding source (26:11). The same supply shift shows up in listed names: ORCL moving from buybacks to issuance (23:24).
Watch for

17:08 4. Utilization vs hoarding — test the scarcity story against the usage data

The repeatable method
  1. Whenever a shortage narrative supports prices, go find the utilization rate of the scarce asset — how much of the installed base is actually working, especially at peak load.
  2. Hold the two facts side by side: rising prices (including a hot second-hand market) and low utilization. They cannot both be explained by end demand.
  3. Diagnose the gap as inventory behaviour — double- and triple-ordering by buyers who fear being unable to procure at any price later.
  4. Reclassify the "demand" accordingly: hoarded units are a latent supply overhang, not consumption. They come back to market the moment procurement panic stops.
  5. Cross-check with lead times and cancellation terms: hoarding is easiest where ordering is cheap and cancelling is cheaper.
Here: GPU usage at 35–40% in a large GPU-rental warehouse while used A100 / NVDA prices are bid on scarcity — "a kind of potential flux of product into the market at some point in the future" (18:05).
Watch for

19:41 5. The stand-still math — required unit growth under a deflating price

The repeatable method
  1. Get the unit price deflation rate for whatever the company actually sells (here tokens, ~70–80% a year — "the first hyper-deflationary commodity in the history of modern economies").
  2. Compute required unit growth for flat revenue: 1/(1−d) − 1. At d = 80% that's +400%; at 70%, +233%. This is the floor, before any growth.
  3. Add the two extra hurdles on top: the growth Wall Street actually expects, and fixed debt service — which now exists, because the financing turned external (insight 2).
  4. Judge reported growth against that floor rather than against a peer or last year. A number that reads as strong in isolation can be a large real contraction.
  5. Apply the same test to anyone selling into the deflating input: when tokens "brush up against" an adjacent industry, expect a deflation wave to enter that sector's pricing too.
Here: OpenAI's ~18% quarter-on-quarter "was deemed a disappointment" against a 400% stand-still bar — the Wile E. Coyote position, legs spinning over thin air (20:37).
Watch for

34:54 6. The harness-vs-model blind test — measure the product, not the press release

The repeatable method
  1. Discard promoted benchmarks: models ingest them, so a benchmark score is "no more than if you had seen the SAT before you'd done it."
  2. Use composite indices and look at two things — the year-over-year rate of gain, and the variance across vendors.
  3. Separate the model from the harness — the wrapper (Claude Code, the codexes) that turns a model into a working agent. Improvements in the wrapper are routinely reported as improvements in the model.
  4. Run a blind A/B: put two frontier outputs in front of a confident user behind the same harness and ask them to name which is which. If they can't, the differentiation isn't commercial.
  5. Conclude on capital allocation, not on capability: if gains have flatlined (10–12% a year → 1–2%) and variance has collapsed, multi-billion-dollar training runs stop being defensible — "the most successful frontier AI company will be the first one to stop pretending they can train new AI models."
Here: composite gains flat over the last six months, masked by harnesses (35:38); Anthropic ≈ Qwen ≈ DeepSeek in practical composite terms, and in his Pepsi-Coke tests "inevitably no one can tell the difference" (36:33).
Watch for

8:27 7. Check the sample before you trust the curve — who were the first customers?

The repeatable method
  1. Before accepting any adoption or demand projection, ask which users generated the data behind it.
  2. Characterise that first cohort's properties. Coding had a strict grammar, a tight gradient descent (small errors teach a lot), a real penalty for being wrong, and an expansive output shape — one prompt, a million lines back.
  3. Ask whether the next markets share those properties. Most white-collar work is the opposite: loose grammar, weak error feedback, and compressive — forty pages in, five bullets out. Compressive use consumes a small fraction of the tokens expansive use does.
  4. If the properties don't transfer, the extrapolated demand curve doesn't either — "the projections made in the first four years of large language model adoption are largely useless."
  5. Trace the downstream decisions that were sized off the bad curve — capacity built, hurdle rates set, debt syndicated. That's where the damage lands, not in the model itself.
Here: the VC rule stated plainly — "you have to be very careful who your first customers are because early adopters aren't like anybody else" — and the "original sin" of sizing the global data-center build from coder usage (11:00).
Watch for

31:40 8. Watch for the moat dissolving from inside — cycle-time collapse as the tell

The repeatable method
  1. When an industry's defence is "tribal knowledge" or accumulated process expertise, hunt for evidence that the cycle time of that process is collapsing.
  2. The signal isn't a funding round or a founder profile — it's an operational number buried in the story. Design verification in 42 days versus six or seven months; a first design that works.
  3. Ask whether the work is the kind AI is genuinely good at — tightly specified, machine-checkable, expansive output. Chip design code is; most business processes aren't.
  4. If yes, assume entrant count rises and barriers fall, and re-underwrite the incumbents' pricing power on that basis — not their current market share.
  5. Then feed the result back into the cycle model: falling barriers plus record capacity spending (Taiwanese and Chinese fabs) points at oversupply, dated — "a tsunami of supply in early 2028."
Here: Edged's 42-day verification cycle as the leading indicator of "vibe chipping" and the end of the tribal-knowledge moat, feeding straight into his 2028 semis oversupply call and the MU analogy (30:39).
Watch for

42:43 9. Attribute growth correctly before you attribute policy — the dog and the mailman

The repeatable method
  1. Decompose headline GDP growth by contribution before crediting any policy for it.
  2. Isolate the single largest non-governmental contributor and size its share. If one private force is >50% of growth, policy explanations are mostly noise.
  3. Check persistence, not a single print — his AI-share statistic "grew and has persisted over the last six quarters."
  4. Apply the dog test: the dog barks, the mailman leaves, the dog takes credit. Would the outcome have happened anyway? If so, your causal model is broken.
  5. Draw the risk conclusion: a broken causal model invites policy actions "that are actually really consequentially negative" — and it makes the whole economy's growth path hostage to one capex cycle.
Here: AI/data-center spending >50% of US GDP growth for six straight quarters — "your tariffs did not cause the US GDP to grow in that period. What caused it was this remarkable thing called data centers and hyperscalers" (44:03).
Watch for

Methods distilled from the public YouTube video (The Meb Faber Show #648, 2026-AUG-28). Not investment advice.