Suppose that a decrease in the price of good X results in fewer units of good Y being demanded.  This implies that X and Y are ______.
A、complementary goods
B、normal goods
C、inferior goods
D、substitute goods
Suppose that a decrease in the price of good X results in f - 5. Demand and Supply - 微观经济学(全英) - 重庆高校在线开放课程平台 | 大学网课搜题引擎