The government's accused of economic mismanagement, as the Trans Pacific Partnership deal threatens to grind to a halt.

Political infighting in the US means a big delay in negotiations.

New Zealand's Trade Minister Tim Groser admits it could see the TPP fall apart.

Labour's trade spokesperson David Parker remarks the government has already talked up the benefits, and promised to land the deal.

"Seems to be the way of this government. They promised we'd be back into surplus long before now and we're still in deficit, you know we've got regions languishing.

"If they don't make their trade obligations, well it's just another long litany of imperfect management on the economy."

Parker adds we still don't know if missing out on the deal would be a good or a bad thing.

"We don't know whether they've inappropriately limited how Pharmac can work.

"There's now no reason whatsoever for the government to be less than transparent with New Zealanders."