Business and trade experts are calling for caution as Winston Peters told parliament "if we can grow it or make it" we should.
But they also say the idea has some merit and is worthy of consideration.
The New Zealand First leader wants the country to come through the Covid-19 crisis with a reduced economic dependence on globalisation.
Stephen Jacobi is the executive director of the New Zealand International Business Forum.
He speaks to Gyles Beckford.