Which statement best describes a command economy?
a. government intervention in economic choices is strictly forbidden
b. the government determines economic choices and makes most decisions
c. the decisions made by producers and consumers drive all economic choices
d. producers and consumers make some economic choices while the government makes others

White truffles are a very prized and rare edible fungus that grow naturally in the countryside near alba, italy. suppose that it costs $200 per day to search for white truffles. on an average day, the total number of white truffles (t) found in alba is t = 20x − x 2 , where x is the number of people searching for white truffles on that day. white truffles can be sold for $100 each. if there is no regulation, how many more people will be searching for white truffles than the socially optimal number?