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5.3 Effective forecasts and supply chain integration

One of the main causes of uncertainty in the supply chain has been identified as the forecasting error which is inherent in any forecasting system. The problems associated with this uncertainty are well appreciated by firms. They recognise that these problems directly impact their fundamental business issues of timeliness, market share, margins, sales and customer service levels. Effective forecasting has been found to be strongly co-related with superior supply chain management practice. McCormack (2002) found that organisations working with accurate sales forecasts almost always employ three techniques. They:

Employing all three techniques in parallel allows managers to make incremental, rather than abrupt adjustments. The second most important indicator of success is the degree of collaboration and integration with other departments within the company and with outside partners. This is about information integration about sales promotion, price discounts and shortages in the market which would allow all supply chain actors to take these factors into account when forecasting the anticipated demand in a future period.

A recent trend of academics and industry experts has been to promote the concept of demand chain management, a new dimension in supply chain thinking. The following case study will introduce you to the concept of the demand chain.

Reading 5.4

Lee, HL & Whang, S (2001, March) 'Demand chain excellence: A tale of two retailers', Supply Chain Management Review . [9 pages]

Activity 5.2

Identify the following concepts in the case study:

  1. The role of forecasting in Long's and SEJ's replenishment policy.
  2. The role of real-time information in business decision making by the two companies.
  3. How POS data is used by the firms.
  4. The information systems in place at each firm and how they differ.
  5. The reason for different approach adopted by the two firms.

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