Robert Shiller, who shared the 8 million Swedish crown (USD 1.25 million) prize with fellow laureates Eugene Fama and Lars Peter Hansen, said the US Federal Reserve's economic stimulus and growing market speculation were creating a 'bubbly' property boom.
Recent housing and employment data suggests the US economy is at a tipping point where a double-dip recession is possible and home prices could have much further to fall, a veteran economist said on Thursday.