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【多选题】
7月份，大豆现货价格为6030元/吨，期货市场上10月份大豆期货合约价格为6050元/吨。9月份，大豆现货价格降为6010元/吨，期货合约价格相应降为6020元/吨。则下列说法不正确的有（）。A.
若7月份在此市场上进行卖出套期保值交易，9月份现货市场上亏损20元/吨
B.
若7月份在此市场上进行买入套期保值变易，9月份净盈利10元/吨
C.
若7月份在此市场上进行卖出套期保值交易，9月份可以得到净盈利
D.
在此市场上邊行卖出套期保值交易，可以得到完全保护
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【单选题】Suppose there is an increase in input prices. We would expect supply
A.
supply to increase, supply curve shift to the right.
B.
supply to decrease, supply curve shift to the left.
C.
supply and supply curve to remain unchanged.
D.
supply to either increase or decrease.
【单选题】Suppose there is an increase in both the supply and demand for personal computers. In the market for personal computers, we would expect the
A.
equilibrium quantity to rise and the equilibrium price to rise.
B.
equilibrium quantity to rise and the equilibrium price to fall.
C.
equilibrium quantity to rise and the equilibrium price to remain constant.
D.
equilibrium quantity to rise and the change in the equilibrium price to be ambiguous.
E.
change in the equilibrium quantity to be ambiguous and the equilibrium price to rise.
【单选题】Suppose there is an early freeze in California that ruins the lemon crop. What happens to consumer surplus in the market for lemons?
A.
It increases.
B.
It decreases.
C.
It is not affected by this change in market forces.
D.
It increases very briefly then decreases.
【单选题】Suppose there is an increase in input prices. We would expect supply
A.
to decrease
B.
to increase
C.
could increase or decrease
D.
to remain unchanged
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