Question

besides size of per capita income what other property of income is important in comparing two or more societies.

Answer 1

property of income which are important in comparing two or more societies:-
National income
PPP
GDP
Life expectancy
Quantitative approach
Qualitative approach,etc.

Answer 2

Equitable Distribution of Income is another property of income in comparing two or more societies.

Equitable distribution of the income means distribution of income which is fair. It also means national income is widely distributed. The people of an economy which has equitable distribution of income are stable than the economy of inequitable distribution of income.High per capita income along with equitable distribution of income is a good index of economic welfare.