"A tax on capital gains (excluding the family home) and a water levy would move the economy onto a more productive footing while stemming widening Government deficits."
Financial Statements of the Government of New Zealand for the Six Months Ended 31 December 2011:
http://www.treasury.govt.nz/government/financialstatements/monthend/
IRD Briefing to the Incoming Minister:
http://www.ird.govt.nz/aboutir/reports/briefing/briefing-2011
The Green Party's alternative plan for our economy: