Public Economics can broadly be understood as that Economics which deals withpublic intervention in the economy. Its domain is supposed to encompass rationalefor public intervention as well as manner, approaches, mechanisms, forms,processes and instruments whereof. Term ‘public' has a restricted meaning: itnormally connotes government, as such, at all levels as well as public bodies, that is,bodies floated by the government at any level. Term ‘public' may also refer,in certain cases such as public choice, to the people in general, which are supposed toparticipate in a democratic process of electing political representatives and options related to political/social/economic spheres. It doesn't however connoteany collectively of people, which isn't mandated by government, irrespective ofits size.