CBC interview with Nouriel Roubini of Roubini Global Economics. February 2014
"Signs that home prices are entering bubble territory in these economies include fast-rising home prices, high and rising price-to-income ratios, and levels of mortgage debt as a share of household debt."
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Nouriel Roubini is an American professor of Economics at New York University`s Stern School of Business and chairman of RGE Roubini Global Economics