Happiness inequality in Americans has declined

Both quality of life and happiness inequality have been in decline in America.

Could use to look at the data backing this more closely. Important to understand how quality of life and Happiness are being measured. As well as the time span over which this decline is claimed.

References

references:

Decline in happiness inequality: Stevenson & Wolfers 2008b.

Declining Ginis for quality of life: Deaton 2013; Rijpma 2014, p. 264; Roser 2016a, 2016n; Roser & Ortiz-Ospina 2016a; Veenhoven 2010.