In the Private sector-to keep the shareholders happy, to undercut competitors for business, to generate extra income for new developments, growth and more profits………..; in the Public sector by releasing resources for other activities and maximising the impact of each dollar spent.

Money spent in one sector of the health care service cannot be spent in another - an opportunity is lost - a so called opportunity cost whenever a decision is made to spend money on A and not on B then B is the opportunity cost.