Which of the Following Best Summarizes the Relationship Between Wealth

Which of the following best summarizes the relationship between wealth and happiness?

A) Wealth and happiness are strongly correlated, but there is no evidence of a causal relationship.
B) Beyond the amount of money needed for basic security and comfort, wealth is not a strong predictor of happiness, but below this threshold wealth is more strongly correlated with happiness.
C) Longitudinal and experimental studies suggest that an increase in wealth causes an increase in happiness.
D) Longitudinal and experimental studies suggest that an increase in wealth causes a decrease in happiness.