For Employer Provided Insurance the Healthy Already Subsidize the Sick

Sarah Kliff has a useful discussion of the changes in the insurance market brought about by Obamacare. It points out that Obamacare will end discrimination based on pre-existing conditions. While there will still be substantial differences in cost based on age, people will pay the same premiums regardless of their health.

However the piece is a bit misleading in its exclusive focus on the individual insurance market. The vast majority of the working age population gets insurance through their...