Quality of Life and Prospect Theory

Prospect theory states that individuals view transactions relative to a fixed reference point.  Individuals are risk averse for gains (i.e., they would prefer $10 for sure over a 50/50 of winning $0 or $20) but risk loving over losses (i.e., they would prefer a 50/50 ‘lottery’ of losing $0 or $20 over a sure loss of $10.…

WTP to reduce mortality risk

How much would you pay to live longer?  Most people would say an infinite amount.  In practice, however, this is not the case.  For instance, you can drive slower to reduce your risk of a car crash.  In this case, you trade off your time with your probability of death.  Or, to continue the care…

The Standard Gamble

One concept often used in healthcare is the quality-adjusted life years (QALY).  The concept is fairly simple.  It assumes that people value one year of life in perfect health at 1; people who die have a value of a life year of 0.  One year of life where you have 50% health is then valued…

Welfarists vs. Extra-welfarists

Health economists, policy makers, physicians and public health officials all want to maximize the well-being of society. These groups evaluate different medical treatments or public health interventions and then determine if the benefit is worth the cost. In an opinion piece by Dorte Gyrd-Hansen in Pharmacoeconomics (2005), two schools of thought are examined. Those who…