More market would also work. The problem is lack of transparency and unequal negotiating power. The former can easily be fixed with laws; the latter is a bit ha

More market would also work. The problem is lack of transparency and unequal negotiating power. The former can easily be fixed with laws; the latter is a bit harder to fix, but probably there are other solutions as well except for "universal healthcare" (i.e. an even more powerful negotiator).