A decrease in the demand for a product X resulted in a decrease in the demand for another product Y. The demand for X and Y is
Answer Details
The demand for X and Y is said to be a joint demand because they are consumed together. A decrease in the demand for one product (X) leads to a decrease in the demand for the other product (Y) because they are complementary goods. This means that they are usually used together, so a change in the demand for one will affect the demand for the other. Joint demand occurs when two or more goods are demanded together because they satisfy a particular need or want.