The Price System: End of Chapter Problem In The Fatal Conceit, economist Friedrich A. Hayek, arguing against central planning, wrote: "The curious task of economics is to demonstrate to men how little they really know about what they imagine they can design." In other words, people generally assume that they can plan out the best procedure for producing a good, but as we learned, that's not true. Please select all of the different roles that the price system plays in creating this order? Prices serve as signals. Prices create incentives. Prices are mediums of exchange. Prices link markets. Prices dictate the number of firms