While much of the world struggles with debt management (EU & Greece), falling commodity prices (Russia & Australia), or political gridlock (USA) New Zealand quietly grows their economy and with the highest Fed Funds rate of any popularly traded currency.
Today's data point: New Zealand Business Confidence which rose to 35.8. This rise marks the fifth consecutive month of growth.
Japan searches for solutions for deflation such as QE
which gives the Kiwi room to rise. See the chart.