Data on education and earnings reveal:

A) negative age-earnings profiles for male workers.
B) no relationship between the two.
C) a positive relationship between the two.
D) a negative relationship between the two.

Education and Earnings

A principle indicating that higher levels of education lead to higher earnings over one's lifetime due to the acquisition of specialized skills and knowledge.

Positive Relationship

A correlation where two variables move in the same direction, meaning that as one variable increases, the other also increases.