In the post-crisis period of low rates, real estate prices have again increased rapidly in many countries – from China to Canada to Australia and the Nordics. In most countries, real house prices in and around larger cities have risen most. To some extent, this reflects various structural factors, such as urbanisation, rising incomes, and supply constraints in some cities.
2 K R Popper (1963), Conjectures and refutations: the growth of scientific knowledge, published 2002 by  Routledge, p. 501. 3 J Gauck, Europe: renewing confidence – strengthening commitment, speech on the prospects for the European  idea, on 22 February 2013 at Schloss Bellevue.