Regulation is an abstract concept of management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society, but the term has slightly different meanings according to context. For example:
There is no group of people on the planet more stupid than bankers. They should be called bonkers. Look at the famous banks that are suddenly losing billions, because they handed out loans like lunatics.
Michael Winner, English film director and producer. From his interview in The Daily Mail (UK) newspaper, 17th June 2008.