If commodity X is a by-product of commodity Y , this implies that both commodities are

  • A in competitive supply
  • B in composite supply
  • C jointly supplied
  • D in excess supply
jamb 2010economics

The correct answer is B. in composite supply

When the process of making one thing results in a second product as well, that second thing is called a byproduct. Example The production of computer systems, require a software to function, hence would be jointly supplied.

Composite Supply is one where 2 or more goods or services are supplied together.

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