The risks to extended supply chains exist in a number of dimensions. They are:

1. Space - Due to globalization, there is a lack of boundaries. Thus, if a country decides to be protectionist or quarantine its workforce, say, during swine flu, there will be little impact unless other countries adopt the same measures.

2. Time - The marketplace is based on a 24/7 schedule and instant gratification. Rather than being in strategic planning mode, leaders are in response mode.

3. Depth - When there is a disruption, a solution may exist that solves the problem, but there are second-, third- and fourth-level effects that are not anticipated.

These dimensions affect supply management professionals' global operations.

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