The incidence of obesity has increased dramatically in the U.S. Obese individuals tend to be sicker and spend more on health care, raising the question of who bears the incidence of obesity-related health care costs. This question is particularly interesting among those with group coverage...

Current tax law prevents workers from trading pre-tax employer-sponsored insurance (ESI) premiums for greater after-tax take-home income. Many workers thus may pay for health plans that are more expensive or have different features from plans they would directly choose for themselves. The tax...

"In recent years, employees have been shouldering an increasing share of the costs of employee-provided health care. At the same time, more and more employers have been allowing employees to pay their out-of-pocket health care costs using pre-tax earnings, through tax-subsidized flexible...