Why Might We Want to Use the Human Development Index

Multiple Choice

Why might we want to use the Human Development Index to compare standards of living between countries?

A) Because countries may have different currencies, so that we cannot compare GDP per capita.
B) Because we need to adjust for purchasing power parity between countries.
C) Because other factors, such as schooling and life expectancy, might vary between countries even if they have the same GDP per capita.
D) Because GDP per capita is inaccurate when there is income inequality in a country.