No drug company has ever come close to that level of productivity from research.

He wrote about 30 songs over two days, a level of productivity not often seen even today.

Their problem is to do with a lack of real purchasing power due to low productivity levels.

The judges are working harder than ever, and their productivity level is very high.

They argue that some products are associated with higher productivity levels than other.

How do you maintain a high level of creativity and productivity?

Though underdeveloped countries have a large population, their levels of productivity are low.

The operating rate measures output and changes in productivity levels.

The operating rate measures not only output but also changes in productivity levels.

The level of productivity went up slowly, but employment prospects did not.