1. One noncontroversial issue with strategic groups is:

A. Stability of strategic groups.

B. Mobility barriers between strategic groups.

C. The requirement for large quantities of objective data.

D. All of the above are controversial issues.

E. None of the above is controversial

2. Which of the following is NOT true regarding supplier relationships?

A. Supplier relationships that are too close may introduce rigidities, including loss of flexibility.

B. In Japan suppliers may become trusted members of the keiretsu.

C. In Japan, instead of treating suppliers as adversaries, they are treated as collaboration partners.

D. In view of A through C above, supplier relationships in Japan tend to be ineffective.

E. In view of A through C above, close supplier relationships are not necessarily good or bad.