After motorbiking round the world and saving Happy Feet, economist Gareth Morgan wants to revolutionise our tax and welfare system. Andrew Laxon asks him why.

World share markets have rallied overnight as the Greek parliament approved a new property tax.

Optimism rules as company records positive profit results in all trading divisions.

The New Zealand dollar rose against the greenback in volatile trade overnight.

The New Zealand dollar may extend its decline this week as investors, nervous about the slow progress being made on Europe's escalating sovereign debt crisis, sell growth-linked currencies for the relative safety of the greenback.

New Zealand financial markets markets were in a holding pattern today after Europe's debt woes sparked a wave of selling around world last week.