Define the concept of Public Choice Theory

Public Choice theory is the theory which is designed by Gordon Tullock and James Buchanan which help to explain the way public resolutions or decisions are formed . It take help of economic tools to solve traditional issues of political science. It involves learning about political behavior.It considers public's decision making procedures inside the political domain. This theory is rooted on the basis of positive analysis i-e 'what it ' but is mostly applied for normative motives i-e 'what ought to be' in identifying an issue or for giving suggestions for improvement in constitutional laws.