Within these major occupation groupings
, critical vacancies exist in occupations that primarily employ middle-skill workers.
We begin with the nine major occupation groupings
at the ASCO 1-digit level.
As well as data on individual 457 positions, DIMA should also publish on the same site aggregated data on 457 visa nominations approved, say by industry sector and/or detailed occupation groupings
, so interested parties could see the level of 457 activity in ICT programmers, metal trades, meat workers, and so on.
However, about half of the displaced workers (while often changing specific industry or occupation) return to their old major industry and occupation groupings
in order to minimize earnings losses.
The educational level of the respondent retains its strong explanatory power even after controlling for income and occupation groupings
. Women at each successive educational level, excepting the highest, seem to desire fewer children.
As a result, a complete sequence of partitions, i.e., a hierarchy of occupation groupings
, was produced (Berven & Hubert, 1977).