The Guardian reports: The west’s leading economic thinktank on Tuesday dismissed the concept of trickle-down economics as it found that the UK economy would have been more than 20% bigger had the gap between rich and poor not widened since the 1980s.

Publishing its first clear evidence of the strong link between inequality and growth, the Paris-based Organisation for Economic Cooperation and Development proposed higher taxes on the rich and policies aimed at improving the lot of the bottom 40% of the population, identified by Ed Miliband as the “squeezed middle”.

Trickle-down economics was a central policy for Margaret Thatcher and Ronald Reagan in the 1980s, with the Conservatives in the UK and the Republicans in the US confident that all groups would benefit from policies designed to weaken trade unions and encourage wealth creation.

The OECD said that the richest 10% of the population now earned 9.5 times the income of the poorest 10%, up from seven times in the 1980s. However, the result had been slower, not faster, growth. [Continue reading…]