Scenario: in Riverland, Life Expectancy Is Rising and Has Just

Multiple Choice

Scenario: In Riverland, life expectancy is rising and has just surpassed life expectancy in its neighbor country, Lakeland.
-Refer to the scenario above.As life expectancy is rising further in Riverland,its Human Development Index likely will ________.

A) increase by definition of the index
B) increase, because life expectancy and GDP per capita are often highly correlated
C) decrease, because GDP per worker will decrease as retired workers live longer
D) increase or decrease, depending on changes in productivity and other variables that constitute the index