Corruption is a form of dishonest or unethical conduct by a person entrusted with a position of authority, often to acquire personal benefit. Corruption may include many activities including bribery and embezzlement, though it may also involve practices that are legal in many countries.Government, or 'political', corruption occurs when an office-holder or other governmental employee acts in an official capacity for personal gain.
Stephen D. Morris, a professor of politics, writes that [political] corruption is the illegitimate use of public power to benefit a private interest.
Economist Ian 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. Daniel Kaufmann, from the World Bank, extends the concept to include 'legal corruption' in which power is abused within the confines of the law—as those with power often have the ability to make laws for their protection.
Corruption can occur on different scales. There is corruption that occurs as small favors 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 everyday structure of society, including corruption as one of the symptoms of organized crime.
Petty corruption occurs at a smaller scale and takes place at the implementation end of public services when public officials meet the public. For example, in many small places such as registration offices, police stations and many other private and government sectors.
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 and judiciary branches in an attempt to provide independent services that are less subject to grand corruption due to their independence from one another.It is affecting half of the world.
Systemic corruption (or endemic corruption) is corruption which is primarily due to the weaknesses of an organization or process. It can be contrasted with individual officials or agents who act corruptly within the system.