Final answer:
Lack of credible information is an example of imperfect information in the implementation process.
Step-by-step explanation:
Lack of credible information is an example of imperfect information in the implementation process. Imperfect information refers to a situation where the buyer or seller, or both, are uncertain about the qualities of what they are buying and selling. In this case, the lack of credible information hinders the decision-making process and can lead to ineffective implementation.