6  See Angus Deaton (2008), “Income, Health, and Well-Being around the World: Evidence from the Gallup World Poll,” Journal of Economic Perspectives, vol. 22 (Spring), pp. 53–72. 7  For example, see John F. Helliwell and Christopher P. Barrington-Leigh (2010), “Measuring and Understanding Subjective Well-Being,” NBER Working Paper Series 15887 (Cambridge, Mass. : National Bureau of Economic Research, April).
These changes – some of which are here to stay for long – have affected the position and the slope of the Phillips curve (the relationship between labour market slack and inflation) in these economies, and pose a number of dilemmas for central banks regarding the continuation of the accommodative monetary policy stance. 2.