Which of the following contributed to rising income inequality in the U.S., starting in the 1980s and especially after the 1990s?

[Read these choices very carefully.]

I. In the market for Less Skilled Labor, the labor supply curve shifted leftward by less each year, compared to earlier decades

II. In the market for Less Skilled Labor, the labor demand curve shifted leftward by more each year, compared to earlier decades.

III. In the market High Skilled Labor, the labor supply curve shifted rightward by less each year, compared to earlier decades.

• A. I only
• B. II only
• C. III only
• D. I and II
• E. I and III
• F. II and III
• G. I, II and III