"productivity changes" is correct and usable in written English.
You could use it to describe any situation where productivity alters such as: "The business implemented new strategies to increase productivity, leading to promising changes in productivity."
Table 2 summarizes the assumptions underlying the regional context scenarios (for details regarding driving forces, e.g., productivity changes and production resources, we refer to Walz et al. 2013).
"We are also in talks with our trade unions about pay and productivity changes," Mr. Walsh said.
By contrast, General Motors has been installing automated systems and making other productivity changes while allowing workers to retire without being replaced.
The companies in question were railroads, which brought about productivity changes as revolutionary (and as lucrative) as those derived from information and communications technology 100 years later.
Their economies also tend to suffer larger supply shocks from natural disasters, other weather events, social unrest and unexpected productivity changes.
In a recorded phone message, Mr. Siegel said leaders of the company's unions said they had "no interest in hearing the revised business plan or even having discussions with management on work rule and productivity changes".
Panel data enables analysis hospitals productivity changes.
The most dramatic productivity changes were in the manufacturing sector.
Furthermore, we show that the productivity changes of network system can be defined as a weighted average of the process productivity changes.
As regards labor productivity, changes were rather heterogeneous across regional blocks as well.
The influence of energy factors on environmental productivity changes over time is also investigated.
