diminishing return in a sentence

Examples

1. This year, Barry Bonds has reached the point of diminishing returns.
2. Increasing the size of the page file typically has diminishing returns.
3. After awhile, though, you will probably find them reaching diminishing returns.
4. At some point, that economic equation called diminishing returns sets in.
5. Washington's long effort to isolate Iran has reached a phase of diminishing returns.
6. Diminishing returns occur when the marginal product of the variable input is negative.
7. But that practice may have reached a point of diminishing returns.
8. Along comes Keaton IV, who proves the diminishing returns of cloning.
9. So, how do the coaches fix this problem of diminishing returns?
10. Now, however, their message appears to have hit a point of diminishing returns.