An increase in the supply of a commodity X automatically results in an increase in the supply of another commodity Y. This is a cause of
- elastic supply
-
joint supply
- exceptional supply
- competitive supply
The correct answer is: B
Explanation
Joint supply is where an increase or decrease in the supply of one good leads to an increase or decrease in supply of a by-product. For instance, an increase in the production of computers would lead to a corresponding increase in the supply of computer software, because a computer requires a software to operate