Why is health economics interesting? The U.S. health care economy is massive and expensive. Health is a major source of uncertainty and risk. Governments around the world are deeply involved in financing health systems. Bhattacharya, Hyde and Tu-Health EconomicsBhattacharya, Hyde and Tu – Health Economics Why is health economics interesting?  The U.S. health care economy is massive and expensive.  Health is a major source of uncertainty and risk.  Governments around the world are deeply involved in financing health systems