Comment by moralestapia Comment by moralestapia 21 hours ago 1 reply Copy Link View on Hacker News "If you already pay for shipping then shipping adds no marginal cost."
Copy Link OkayPhysicist 21 hours ago Collapse Comment - well, yeah. That's what the phrase "marginal cost" means: if it costs $x to do something N times, and $x + $y to do something N+1 times, $y is the marginal cost. Reply View | 0 replies
well, yeah. That's what the phrase "marginal cost" means: if it costs $x to do something N times, and $x + $y to do something N+1 times, $y is the marginal cost.