[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fAbAU_Tz1StrhpFlF3nNZFy4sttI05eRV40zxxM4uOjw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-30 14:11:15",226131951,[8,9,10,11],"-1\u002F4","-1\u002F2","1\u002F4","1\u002F2",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},70,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_166720164","2025-2026 秋季学期 期中考试","The demand curve of a firm is Q=30-5P, what is the point price elasticity of demand in the point where P=2, Q=20",[21,32,35,44,53,62,71,76,85,90],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],226131950,[25,26,27,28],"MR>0","MR<0","MR<-1","MR=0","Total revenue declines when price is reduced in the inelasticity range (where _____ )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],226131952,[39,40,41,42],"εI>1","εI<0","εI>0","0<εI<1","If the income elasticity for housing is high and _____ , an improvement in the housing stock will be a natural by-product of a prosperous economy",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],226131953,[48,49,50,51],"By analyzing how supply responds to changes in consumer income","By analyzing how supply responds to changes in the price of another good","By analyzing how demand for a good responds to changes in consumer income","By analyzing how demand for a good responds to changes in the price of another good","How can cross-price elasticity help managers measure competition in the market",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],226131954,[57,58,59,60],"Entertainment","Fashion","Technology","Agriculture","Which industry is most likely to face low income elasticity due to its nature",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],226131955,[66,67,68,69],"advertising expenditure","expectations of price changes","population","consumer tastes and preferences","From the picture, we can say the ____ is (are) the influence factor of demand. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e3fe732895f167c569e6a962331b009.png\">",{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":30,"type":31},[],226131956,[66,67,68,69],"From the picture, we can say the ____ is (are) the influence factor of demand. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F36c25aa404b96e5162ec70ce584ea3f8.png\">",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":30,"type":31},[],226131957,[80,81,82,83],"An increase in quantity supplied at every price","An increase in the price of the good","A decrease in the price of the good","A decrease in quantity supplied at every price","When the supply curve shifts leftward, it indicates",{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":30,"type":31},[],226131958,[28,27,25,26],"Total revenue increases with price reductions in the elasticity range (where _____ )",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":30,"type":31},[],226131959,[94,95,96,97],"Monopolistic competition","Perfect competition","Oligopoly","Monopoly","Which of the following market structures is characterized by many small firms producing homogeneous (同质的)products"]