She said the Christchurch rebuild was now four to five years along.
"I think there's a feeling that some people have done their dash."
Ms Welsh said there was not much turnover of staff in well-paid jobs in Wairarapa, which could be a double-edged sword.
"Generally speaking, I think that stability within organisations is quite healthy."
Wairarapa also did not have a wealth of big businesses, so many locals commuted to Palmerston North or Wellington to work.
Nationally, online job vacancies were steady in August, the ministry said.
For August, skilled vacancies decreased by 0.1 per cent and total vacancies increased by 0.3 per cent.
The largest increase in skilled vacancies was in the hospitality and tourism industry, while the biggest decrease was in information technology. Skilled vacancies increased for trades workers and technicians but fell for managers and professionals.
In the year to August, the biggest increase in skills vacancies was in the education and training industry.