Economists realized that while metrics such as Gross Domestic Product (GDP) could show the wealth of a nation, they could not show how this wealth was divided amongst its citizens.
The Gini coefficient helped with this as it measures the degree of inequality in an economy. It is measured based on a number between 0 and 1 and any country that has a coefficient closer to one is generally more unequal in its wealth distribution.
federal is central, parliament can be either, but confederacy states that the states involved are fully separate but in union, do the answer is confederacy
