Studies of the Wealthiest Americans and Longitudinal Studies Examining the Effects

Studies of the wealthiest Americans and longitudinal studies examining the effects of increased and decreased income on happiness show that overall,

A) wealth and income are consistently and substantially related to individual happiness..
B) what matters most is how much money you make relative to others in your social network.
C) only the very rich enjoy significant gains in happiness.
D) the amount of money people make is only weakly related to happiness.