The index is calculated on the basis of managers’ surveys. The aim of these questionings is to estimate the changes that usually occur in this branch.
In case when the index’s numbers are lower than 50 will surely indicate the decrease in economical development of Australia in whole. But the final index is formulated on the basis of not only objective facts but psychological as well (subjective appraisal of questioned managers). These add the weight to Service PMI and consequently the tender’s participants pay some special attention to this index.
