By historical standards, a 4.2 percent rate represents a strong economy, but not strong enough to maintain job growth at its present pace, given the gains in worker efficiency in recent years.

In addition, glare or excess light can decrease worker efficiency.

The administration also adjusted its estimate of the rise in productivity, a measure of worker efficiency and a crucial determinant of the longevity of an expansion.

Considered to be a "miracle village," the village of Shimojō has defied the declining birthrate noted in Japan as well increasing capital revenue by increasing worker efficiency.

Less job turnover and more worker efficiency help to offset the cost, some studies have found.

In addition, advances in information technology have a perceived improvement on patient care and worker efficiency.

This demands a high degree of worker efficiency and labor skills, which these countries have been acquiring in the course of their industrialization.

They argued that they were already in the forefront of worker efficiency.

Frederick Winslow Taylor observed that worker efficiency could be improved through the use of machines to make fewer motions in less time.

Keeping workers occupied is particularly important in Toyota's system, which in both Japan and the United States emphasizes worker efficiency and multiple skills.