The word corrupt when used as an adjective literally means "utterly broken".[1] The word was first used by Aristotle and later by Cicero who added the terms bribe and abandonment of good habits.[2] Morris, a professor of politics, corruption is the illegitimate use of public power to benefit a private interest. Economist I. Senior defines corruption as an action to (a) secretly provide (b) a good or a service to a third party (c) so that he or she can influence certain actions which (d) benefit the corrupt, a third party, or both (e) in which the corrupt agent has authority.
Corruption can occur on different scales. There is corruption that occurs as small favours between a small number of people (petty corruption), corruption that affects the government on a large scale (grand corruption), and corruption that is so prevalent that it is part of the every day structure of society, including corruption as one of the symptoms of organized crime.
Grand corruption is defined as corruption occurring at the highest levels of government in a way that requires significant subversion of the political, legal and economic systems. Such corruption is commonly found in countries with authoritarian or dictatorial governments but also in those without adequate policing of corruption.
The government system in many countries is divided into the legislative, Executive (government)|executive] and judiciary branches in an attempt to provide independent services that are less prone to corruption due to their independence.Petty corruption occurs at a smaller scale and within established social frameworks and governing norms. Examples include