Pro-growth policies include reform of the tax code to make it simpler, more transparent and more conducive to long-term investment.

WSJ: Kevin W. Warsh: The New Malaise and How to End It

Earlier this month UK dairy farmers and processing firms agreed a voluntary code of practice to help make contracts more transparent and develop "trust" within the industry.

BBC: Muller and Robert Wiseman Dairies agree milk price rise

Mr Summers called on sovereign wealth funds to be transparent about their investments and strategy, and sign a binding code of conduct.

BBC: Richard Fuld, Lehman Brothers chief executive