Trained and long employed by day as a lawyer, Alfred Schutz held that jurisprudence is a cultural science, more specifically a social science, and, like pure economics, an advanced theoretical one at that. Like his teacher Hans Kelson, he furthermore held that a basic norm determines what law is. Lawyers are experts and interact with legislators, the courts, the police and legal interpretation involves ideal types of institutionalized standard degrees of anonymity and concreteness.