The Gross National Income (GNI)and Purchasing Power Parity (PPP)of a Nation

Multiple Choice

The Gross National Income (GNI) and Purchasing Power Parity (PPP) of a nation are static indicators of economic development.Which of the following statements best support the above claim?

A) They are too statistical in approach and lack human perception.
B) They are ill-defined and can be easily confused with other indicators of economic development.
C) They tell us if a country is poorer than another,and do not indicate the changing economic dynamics between the two.
D) They are dependent on factors like geography,natural resources,and population and thereby inconsistent.