Dean Purcell/Getty Images As New Zealand’s budget day looms closer, the government has already revealed one important figure – NZ$2.1 billion – that offers an insight into its approach to spending this year. That’s the government’s tight operating allowance – or the new money available for ongoing spending. And that’s already been trimmed back from $2.4 billion since its budget strategy was announced in December. The $300 million cut is small relative to total operating expenses, but still signi