They also feed into data on worker productivity and real interest rates.

The design also has been shown to improve worker productivity.

Companies are investing, and worker productivity is up 7 percent this year.

There was no talk of government innovation or worker productivity.

But worker productivity fell at a 1.3 percent annual rate in the second quarter.

"Worker productivity was a big problem in Poland," he said.

Some building owners have even reported increased worker productivity as a result of the improved conditions.

Who is willing to pay that steep a price to raise worker productivity?

Johnston points out that worker productivity actually increases with good service.

Worker productivity, which allows manufacturers to stay competitive, was 6.4 percent higher than the national level.