Wikipedia refers to marginal value as, the change in economic value associated with a unit change in output, consumption, or some other economic choice variable. Marginal value can also be defined as the additional value added from the next consumed unit. For example, giving a slice of bread to someone without any would be of great value to them. However, the next slice would not have as much value.
A citizen is a participatory member of a political community. Citizenship is gained by meeting the legal requirements of a national, state, or local government. A nation grants certain rights and privileges to its citizens.
Full Definition of CITIZEN. 1. : an inhabitant of a city or town; especially: one entitled to the rights and privileges of a freeman. 2. a: a member of a state b: a native or naturalized person who owes allegiance to a government and is entitled to protection from it. 3.efinition of CITIZEN for Kids. 1. 2. : a person who legally belongs to, gives allegiance to, and has the rights and protections of a country.