The value chain model highlights the primary or support activities

that add a margin of value to a firm's products or services where

information systems can best be applied to achieve a competitive

advantage.

The value chain model is most directly related to the production and

distribution of the firm's products and services, which create value

for the customer.

The value chain model consists of organization infrastructure

$($administration and management$),$ human resources $($employee

recruiting, hiring, and training$),$ technology $($improving products and

the production process$),$ and procurement $($purchasing input$).$

The value chain model tracks the expense a customer or company

incurs in lost time and expenditure of resources when changing from

one supplier or system to another competing supplier or system.

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