Comments by US Federal Reserve chairman Kevin Warsh at its annual economic policy symposium in Jackson Hole last month have reinforced expectations of an impending interest rate rise in the world’s largest economy, which would have significant impacts on assets and investors around the world. While the Fed kept its target rate in the range of 3.5 to 3.75 per cent at its meeting in July, Warsh’s comments last month about it having work to do in controlling inflation have heightened expectations...