Investors are keen to see a long term pipeline of work - before committing to spending their money here. 

More than a hundred companies, managing about six trillion in capital, are at the Government's Infrastructure Investment Summit in Auckland.

Brett Shepherd from Craigs Investment Partners says the Government's messages of support were well-received by the summit's attendees.

"The commitment of the Prime Minister and the respective ministers to grow the economy on a consistent basis through partnership and infrastructure - that message was just resounding." 

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