As in other countries, temporary jobs tend to pay less than career employees earn.
And recent studies have shown those jobs tend to drive out other people who might normally stay in an area for its quality of life.
Such jobs tend to be the best paying and most economically desirable ones, he said.
And those jobs tend to be better paid, with better security, than most.
But they add that the highest-paying jobs in government tend to pay less than the equivalent on the private side.
Finding work in the field wasn't difficult, he said, but the jobs tended to pay poorly.
Those jobs which are created tend to be precarious, particularly where they involve women and young people.
The job also tends to bring with it a sense they are still serving their country.
Many live in "inner cities," where jobs tend not to be.
My jobs tend to last about five, six or seven years.