Recall the Application About the Link Between Happiness and GDP

Multiple Choice

Recall the Application about the link between happiness and GDP to answer the following question(s) . Comparing changes in happiness to changes in per capita income over the last 30 years, economists at Dartmouth College and Warwick University have measured levels of happiness in the United States and United Kingdom based on income levels, ethnicity, age, and gender.
-According to the Application

A) reported levels of happiness in the United States have increased over the past 30 years.
B) stable marriages account for no more happiness than marriages ending in divorce.
C) retired people report higher levels of happiness than people below the age of 40.
D) money does appear to buy happiness, ceteris paribus.