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Equation 13 · Part 4 · The Jagged Frontier Fallacy: Deconstructing Harvard's Canonical AI Productivity Study

Symbol c_A

πs=cL(s)−cA(s)cL(s)\pi_s = \frac{c_L(s) - c_A(s)}{c_L(s)}
cAc_A

What this part means

cAc_A occurs above the fraction bar. The numerator is divided by the entire denominator below it.

Its job in the formula

cAc_A occurs above the fraction bar. The numerator is divided by the entire denominator below it.

The passage around this formula

where αs\alpha_s is the baseline economic share of task s and πs\pi_s = cL(s)−cA(s)cL(s)\frac{c_L(s) - c_A(s)}{c_L(s)} represents the proportional cost reduction achieved on that task [ 2 ] .

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

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Sources cited in the surrounding passage

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