What changes to real GNP per head could make it a more dependable measure for comparing living standards across different countries?
- Aadjustments to allow for differences in population size in different countries
- Badjustments to allow for differences in rates of inflation in different countries
- Cadjustments to allow for differences in the relative size of the hidden economy in different countries
- Dthe use of market exchange rates rather than purchasing power parity exchange rates