Privileged group
In economics
Economics is the social science that analyzes the production, distribution, and consumption of goods and services. The term economics comes from the Ancient Greek from + , hence "rules of the house"...

, a privileged group is one possible condition for the production of public good
Public good
In economics, a public good is a good that is non-rival and non-excludable. Non-rivalry means that consumption of the good by one individual does not reduce availability of the good for consumption by others; and non-excludability means that no one can be effectively excluded from using the good...


A privileged group contains at least one individual that benefits more from a public good than its production costs. Therefore, the good will be produced although other members of the group benefit without paying. However, this free rider problem
Free rider problem
In economics, collective bargaining, psychology, and political science, a free rider is someone who consumes a resource without paying for it, or pays less than the full cost. The free rider problem is the question of how to limit free riding...

 may still result in an undersupply of the good compared to the Lindahl equilibrium
Lindahl equilibrium
A Lindahl tax is a form of taxation in which individuals pay for the provision of a public good according to their marginal benefits. So each individual pays according to his/her marginal benefit derived from the public good. eg...

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