Based on the theory of professional competition, this paper identify and investigates four strategic options of supreme audit institutions (SAIs) through a case study of four Nordic national audit offices: a performance auditing strategy; a financial auditing strategy; a portfolio strategy; and...

Countries chosen for comparison within the framework of this paper are different in terms of geographical location, size, levels of socio-economic development and adopted local government systems. The major criterion for choosing case study countries was their geographical location, as it is the...