Forecasting

One-line definition: Predicting the future by extrapolating the past — treated across the sources with deep skepticism, because the disruptions that matter most are precisely the ones extrapolation cannot see.

How sources describe it

• The venture critique: enormous energy is spent forecasting via statistical analysis of past patterns, but “the disciplined calibrations of conventional social scientists can be a blindfold, not a telescope” — the future emerges “from the primordial soup of tinkerers and hackers and hubristic dreamers.” The Power Law — Venture Capital & the Making of the New Future
• The disruptions that create wealth “cannot be predicted based on extrapolations of past data, precisely because such revolutions are so thoroughly disruptive.” The Power Law — Venture Capital & the Making of the New Future
• Most financiers “extrapolate trends from the past, disregarding the risk of extreme ‘tail’ events. Venture capitalists look for radical departures from the past. Tail events are all they care about.” The Power Law — Venture Capital & the Making of the New Future
• An alternative to modeling — intuiting the future from cost curves: Kelly “looked at the transistor and saw the past, and the past was tubes”; without an affordable price you could never sell anything. The Idea Factory
• The tension between process and serendipity — “there is nothing magical about science… no magic about it,” yet chance plainly drove many Bell Labs breakthroughs. The Idea Factory
• The value-investing alternative is non-forecasting: a margin of safety prices in error rather than predicting outcomes. Berkshire Hathaway Annual Letters

Where it shows up

• The Power Law — Venture Capital & the Making of the New Future — the central argument: forecasting as the VC delusion; tail events as the real target.
• The Idea Factory — intuiting the future from cost curves (Kelly) vs. predicting it; the role of serendipity.
• Berkshire Hathaway Annual Letters — margin of safety as a deliberately non-forecasting discipline.

Related concepts

• Power Law — why tail events, not central tendencies, dominate venture outcomes.
• Risk Management — pricing in uncertainty instead of forecasting it away.
• Capital Allocation — decisions made under irreducible unpredictability.
• Tail Events — the radical departures from past data that extrapolation cannot see and that VCs exclusively target.
• Margin of Safety — the value-investing alternative to forecasting: price in error rather than predict outcomes.
• Value Investing — the non-forecasting discipline embodied in the Berkshire Hathaway Annual Letters.
• Venture Capital — the field whose practitioners look for radical departures from the past instead of extrapolating it.
• Innovation — the disruptive breakthroughs that “cannot be predicted based on extrapolations of past data.”
• Mervin Kelly — intuited the transistor’s future from cost curves rather than modeling, in The Idea Factory.
• Bell Labs — where serendipity, not pure process, drove many breakthroughs.
• Trends — what most financiers extrapolate from the past while disregarding tail risk.