Bullwhip Effect - a lesson for scm partners to be fair

Process integration in a supply chain system plays extremely important role for the Supply Chain to be effective and competitively viable. It implies that the chain partners be fair in respect to information exchange.

For example, a firm XYZ produces cycle chains for the cycle manufacturing firm ABC. Another company PQR produces chain bits for the company XYZ.

Let us assume that the actual demand of ABC is not known to XYZ for a month.

 


XYZ also produces the chain bits for other chain manufacturers. So, XYZ , in order to meet the unknown requirement of ABC would like to keep a higher safety stock or the month.  PQR also shall have to keep a higher level of safety stock for meeting the unknown requirement of XYZ.

 

This is a cascading effect resulting into higher safety stocks at the end of both the suppliers in the chain, XYZ and PQR.


In this small example, with only two suppliers being in chain, the inventory levels have gone unnecessarily high because of the lack of information on accurate demand of cycles at ABC's end.

Higher inventory is blocking of working capital for the firm that reduces the operational efficiency.

Just imagine what would be happening under these circumstances if the number of chain partners were to be large.

The aggregate inventory would have been much higher. This is called Bullwhip effect.

That is the building up of inventory along the chain as a negative effect or loss of opportunity cost resulting  from the absence of a coordinated effort , suitable and timely flow of information among the supply chain partners.   

Process integration therefore is the need of the hour for the Supply chain partners for benefit sharing through:

  • reduced costs in inventory holding

  • utilizing opportunity cost in better product design and

  • manufacturing and earning more profit

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