law of diminishing returns in a sentence

Examples

1. "But they just don't understand the law of diminishing returns.
2. But he has not forgotten the law of diminishing returns.
3. There is a law of diminishing returns on television ads,
4. But movie pyrotechnics operate under a law of diminishing returns.
5. But isn't there a chapter in the economics textbook about the law of diminishing returns?
6. This was the law of diminishing returns made easy.
7. Krugman warned that the law of diminishing returns would inevitably slash growth rates in Asia.
8. It's an application of the law of diminishing returns.
9. At one time, you ran into the law of diminishing returns at 32 or 64 megabytes.
10. Ever hear of the law of diminishing returns?