THE LAST WEEK OF THE AUSTRALIAN ELECTION CAMPAIGNS

The Prime Minister Malcolm Turnbull has used the coalition's campaign launch to warn against a vote for the minor parties.Mr Turnbull says Britain's exit from the European Union proves the need for stable economic policy.

Prime Minister Malcolm Turnbull and former prime minister Tony Abbott Source: AAP

The Prime Minister officially launched his bid for re-election at Sydney Olympic Park -- in the marginal Coalition electorate of Reid.

In the final week of the one of the longest election campaigns, the Turnbull-government still had a few more policy announcements to make.

Addressing an audience of Liberal and National Party supporters, deputy Prime Minister Barnaby Joyce flagged a 200 million dollar regional jobs and investment package.