Freud's emphasis on the unconscious is not entirely unrelated to Hayek's conception of spontaneous order and the idea of tacit, nonverbal knowledge distinct from verbal, explicit knowledge (or verbal statement). For the concepts of both the unconscious and spontaneous order, ideas of unarticulated knowledge and interpersonal knowledge and its communication are critical. There was more philosophical similarity between some of Hayek's and Freud's ideas than Hayek realized.

Hayek's Journey: The Mind of Friedrich Hayek (2003) - Ch. 12 : Marx, Mill and Freud