Democratic candidate Bernie Sanders recently released his health-care plan: a government-run single-payer system for the U.S., similar to what many European countries have. Criticism of the plan has so far focused on its lack of political feasibility, but there is an even more important reason to be wary: Accounting for costs and tax increases, it would reduce labor supply by 11.6 million. In a struggling economy, with tepid wage growth, hurting employment should be the last thing on any politician’s agenda.

The plan truly promises everything under the sun. Not only will everyone be able to get any medical treatment needed — with no cost at the point of service — but the plan won’t require a terribly high tax increase.