Equation 4 · Part 1 · Who Builds 2100? The Demographic Engine of Technological Evolution
Symbol λ
What this part means
λ is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
λ is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol λ→Article meaning
The passage around this formula
…or harder each new idea makes the next one to find (values below 1 are required for the model’s growth path to be stable at all — the discipline’s own name for this is diminishing returns to knowledge accumulation), and measures how much duplicated research effort — different teams stumbling onto the same idea — dilutes each additional researcher’s marginal contribution. The formula says something that should be intuitive from the fitness-landscape framing: if the population of people searching for new…
Learn the underlying idea
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Sources cited in the article section
- [3] Are Ideas Getting Harder to Find? ↗
- [4] The Past and Future of Economic Growth: A Semi-Endogenous Perspective ↗
These citations provide research context; check each source for the exact claim it supports.