← All parts of this equation

Equation 21 · Part 1 · Who Builds 2100? The Demographic Engine of Technological Evolution

Symbol g_C

gCg_C
gCg_C

What this part means

gCg_C 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

gCg_C is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

…materialize, the difference between the top-right and bottom-right boxes — whether population is also growing or is instead the IHME-scale decline — matters much less than in the human-bound cases, because a large enough gCg_C term dominates the sum in the numerator of the growth relation regardless of what gSg_S is doing. That is precisely Aghion, Jones, and Jones’s point about their own model: sufficiently complete automation of the idea-production function decouples the growth rate of ideas from the growth rate of…

Read this part in the article →

Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

Open the illustrated subscripts: which member of a family? guide →

See this notation across published equations →

Sources cited in the surrounding passage

These citations provide research context; check each source for the exact claim it supports.