If a market is in equilibrium and demand increases while supply decreases, the change in the equilibrium price is _ and the change in the equilibrium quantity is _.

题目：If a market is in equilibrium and demand increases while supply decreases, the change in the equilibrium price is _ and the change in the equilibrium quantity is _.

If a market is in equilibrium and demand increases while supply decreases, the change in the equilibrium price is _ and the change in the equilibrium quantity is _.

A.indeterminate; positive

B.positive; indeterminate

C.positive; negative

D.positive; positive


正确答案：positive; indeterminate