When suppliers are limited or inputs are scarce， which of Porter's Five Forces are at play？
A.Competitive rivalry.
B.Supplier power.
C.Threat of new entrants.
D.Buyer power.
正确答案：Supplier power.
When suppliers are limited or inputs are scarce， which of Porter's Five Forces are at play？
A.Competitive rivalry.
B.Supplier power.
C.Threat of new entrants.
D.Buyer power.
正确答案：Supplier power.