Jane doe is a shop owner in the fictional country of xanadu. every month the government's planning ministry sends her a large booklet (which resembles a phone book) regulating the price of essential commodities including milk, flour, and eggs. in response to these regulations jane doe has reduced her inventory of essential goods and switched to selling luxuries such as cakes, pies, and soft drinks. luxury goods are not price controlled. does jane doe reside in a command economy? why or why not?