Good point. Edited to change "life quality" to "quality of life", which can be quantified. For example, see http://www.oecd.org/newsroom/BLI2013-Country-Notes.p

Good point. Edited to change "life quality" to "quality of life", which can be quantified. For example, see http://www.oecd.org/newsroom/BLI2013-Country-Notes.pdf http://www.oecd.org/newsroom/BLI2013-Country-Notes.pdf