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N. Notes, Life satisfaction is administered on a 4-point scale We select people aged between 18 and 65. GDP per capita figures are taken from Heston, Summers and Aten ? the Penn World Tables. The values plotted are SD residuals by year from a regression of life satisfaction on gender, age, age-squared, marital status

. Appendix, Figure 5. The Trend in the Standard Deviation of Happiness Excluding the First Two Years People Report Life Satisfaction United Kingdom (BHPS) West Germany (SOEP)