Book Publishing Pipeline: Print-Run Economics

Publishing Run

Print run 3,000 copies

Cover price $18.00

Marketing budget $8,000

Retailer discount 45%

Production & Sales

3,000 printed → 1,140 sold (38.0%) → 1,860 remaindered

Unit production cost

—

Break-even units

—

Projected profit / loss

—

How it works

A print run has a fixed setup cost (typesetting, prepress, cover design) spread over every copy, plus a per-unit variable cost (paper, ink, binding) that gets cheaper per copy as the run grows — real offset-printing economies of scale:

scale(N)   = clamp(1 − 0.15·log10(N/500), 0.65, 1)
unitVar(N) = $2.20 × scale(N)
unitCost(N)= (setupCost + N·unitVar(N)) / N

Marketing spend raises the fraction of the run that actually sells (sell-through), with diminishing returns — the first dollars matter far more than the last:

sellThrough = 0.35 + (0.92 − 0.35)·(1 − e^(−marketing / 15000))
unitsSold   = N × sellThrough

Retailers buy at a wholesale discount off the cover price, so revenue per sold copy is price × (1 − discount). Unsold stock is not a total loss — publishers recoup a small fraction through remainder sales:

revenue   = sold·price·(1−discount) + unsold·unitCost·0.15
profit    = revenue − (setupCost + N·unitVar(N)) − marketing
breakEven = (setupCost + N·unitVar(N) + marketing) / (price·(1−discount))

Print run — more copies lower the per-unit cost but raise total capital at risk if they don't sell.
Cover price / discount — set the revenue captured per copy actually sold through a retailer.
Marketing budget — buys sell-through, not sales directly, and pays for itself only up to a point.

The conveyor shows the run flowing off the press: the gold lane peels off to the bookstore (sold), the gray lane drops into the remainder bin (returned/pulped) — its width tracks the sell-through percentage live.

Sold → bookstore Remaindered

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