 
 <prompt> Friedman nod in im direction as reference for im version of the price system as system wey dey transmit and coordinate knowledge? Given di previous question, write context wey contain di answer. E fit be 1 - 20 sentences. <response>: Hayek dey widely recognised for im role for introduce time dimension to equilibrium construction and for im key role for help inspire 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 for im explanation of price system as system for transmit and coordinate knowledge. Dis one fit explain say Friedman teach Hayek famous paper "The Use of Knowledge in Society" (1945) for im graduate seminars. 