 
 <prompt> Friedman dey teach from im body of work for im advanced classes? Given di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Hayek dey widely recognised for im introduction of time dimension to equilibrium construction and im key role for inspiring growth theory, information economics, and theory of spontaneous order. The "informal" economics wey Milton Friedman present for im popular work Free to Choose (1980), dey explicitly Hayekian as e explain the price system as system wey dey transmit and coordinate knowledge. Dis one fit explain as Friedman teach Hayek famous paper "The Use of Knowledge in Society" (1945) for im graduate seminars. 