Superstition, conspicuous spending, and housing markets : evidence from Singapore / Sumit Agarwal (National University of Singapore), Jia He (National University of Singapore), Haoming Liu (National University of Singapore and IZA), I.P.L. Png (National University of Singapore), Tien Foo Sing (National University of Singapore), Wei-Kang Wong (National University of Singapore) ; IZA. Bonn : IZA, April 2016