New study shows that more than half of consumers will choose a health-care plan that costs too much

- more than 80% of consumers may be unable to make a clear–eyed estimate of their needs and will unknowingly choose a higher cost plan than needed. New research from Columbia Business School warns that consumers will make mistakes totaling $9 billion; offers prescriptions to help improve consumer experience using new state health-care exchanges NEW YORK —Right now, many consumers are signing up for healthcare via the new health insurance exchanges set up by the federal and state governments. Using simulated exchanges modeled on the design of the actual exchanges, alarming new research from Columbia More…