The New Zealand dollar gained after a report proposed giving Greece two more years to meet budget targets.

The worst jobless rate so far this millennium only adds to the evidence that the economy has lost momentum since mid-year.

Reserve Bank governor Graeme Wheeler has warned excessive credit growth may trip up New Zealand's economic rebalancing and has singled out agricultural debt as being uncomfortably high.

"Few folk understand money, which is logical as it's enormously complex," writes Bob Jones.

New Zealand boat builders are savvy and determined but the strong kiwi dollar is making it difficult for exporters to remain competitive.