Joint Supply

Joint Supply
See also

A commodity is in Joint Supply with another commodity when one commodity is provided for two diverse purposes[1].

For examples[2]:

  • Cows are provided for both leather and beef.
  • An oil well may provide both gas and oil.
  • Sheep can be used for milk products, meat, sheepskin and wool.
  • Production of wheat delivers straw too, which ranchers, purchase for their stables.

For occasion, when need to raise the yield of wheat, the generation of straw will be naturally increased. So is the case with the production of beef and leather etc.

We partition joint supply into two different areas[3]:

  1. Items whose proportion can be changed. For examples in Australia and New Zeeland, it has been found conceivable to create lamb and wool fleece in variable extents by cross-breeding sheep. We are able to have a breed of sheep which surrender less mutton and more wool. or more mutton and less wool.
  2. Items whose proportion cannot be changed. A rise within the yield of one product must essentially be accompanied by a rise within the supply of the other. For example, when the production of cotton is expanded, the overall amount of cottonseed will moreover increment naturally.

Economic theory

The Economic theory proposes that an increment in a request for one good in joint supply will lead to an increment in its price[4]. It causes it to an increment the quantity supplied[5]. The supply of the other good, subsequently, increments, driving to a drop in its price[6]. Increment in a request for meat leads to an increment in price and amounts bought and sold of beef[7]. More beef generation will lead, as a by-product, to a larger one supply of leather[8]. The cost of leather will at that point drop and demand, bought and sold will increment[9].

Joint Demand

Certain items, particularly crude materials and components, are subject to joint demand. Joint demand happens when two or more things are utilized in combination to produce an item[10]. Well-known cases of such a request happen within the case of commodities dependent on each other either in utilization or person generation.

Examples such goods[11]:

  • car and fuel,
  • printer and ink cartridges
  • coal and stove

Ordinarily, an increment within the cost of one will influence the demand for the other. For illustration, when the cost of fuel increase, request for cars will likely drop, in the event that ink cartridges ended up more costly, request for printers will likely decrease and vice-versa[12].



  1. Anderton A.(red)(1995)
  2. Anderton A.(red)(1995)
  3. Hirschey M.(red)(2008)
  4. Anderton A.(red)(1995)
  5. Anderton A.(red)(1995)
  6. Anderton A.(red)(1995)
  7. Anderton A.(red)(1995)
  8. Anderton A.(red)(1995)
  9. Anderton A.(red)(1995)
  10. Pride W.M., Ferrell O.C. (2014)
  11. Wicksell K.(red)(1934)
  12. Wicksell K.(red)(1934)

Author: Monika Kromka