At the point where marginal profit reaches zero, further increases in production of the good stop.

Generally, a small independent house can maybe make a modest, marginal profit on 3,000 copies if the author's advance is in the $5,000 neighborhood.

The marginal profit of one more pizza is high.

Nobody cares about a film that pays for itself and brings in a marginal profit.

The price incidentally rose and Ma'am's marginal profits began to diminish.

But a half dozen large operators continue to make marginal profits, hoping for better times.

And Salon's marginal profit of $400,000 is a marked improvement from last year's loss of $1.2 million.

Mark Miles, the president of the organizing committee, said he expected the games to break even or show a marginal profit.

His Incat business operated for many years on marginal profits.

It is that the majority of transactions have more to do with very small marginal profits than with long-term investment.