All billionaires should pay a 2% global minimum tax, a research report backed by a Nobel Prize-winning economist says

• Billionaires worldwide should have to pay a 2% wealth tax, the EU Tax Observatory says.
• Its researchers estimated that this would raise close to $250 billion annually.
• "Glaring tax disparity undermines the proper functioning of our democracy," economist Joseph Stiglitz wrote.

Billionaires should have to pay a 2% global minimum tax imposed by governments, researchers at the EU Tax Observatory say.

They listed the tax as a key proposal in their Global Tax Evasion Report and argued that it would raise close to $250 billion annually.