In a market economy, members of professions—or at least those for whom their profession is a vocation—are vulnerable to a distinctive kind of objectionable exploitation, namely the exploitation of their vocational commitment. That they are vulnerable in this way arises out of central features both of professions and of a market economy. And, for certain professions—the care professions—this exploitation is particularly objectionable, since, for these professions, the exploitation at issue is not only exploitation of the professional’s vocational commitment but also of her even more basic commitment to morality