Professor William A. Hyman has a good article on ROI over at Hitech Answers… “The usual meaning of Return on Investment (ROI) in purely financial transactions is how much money do you get back for the amount of money you put in. It is usually desirable for the amount returned to exceed the amount invested, thus achieving a positive ROI. In healthcare this concept requires modification because of who may receive the benefit and whether or not that benefit is monetary. Here our concern is usually investments in IT, although there are many other possibilities such as medical devices. In some hospital “investments” there can be an internal positive return …