Brian receives an e-mail message explaining how he can earn hundreds of extra dollars per month by selling food supplements that prolong life. Brian engages in selective attention when he ________.

A) carefully thinks through who is sending this message
B) overlooks the clause that he will have to purchase $500 of the supplements so he will have the necessary inventory
C) is happy to know that he might be able to earn extra money
D) deletes the message immediately

Which of the following is not a potential cause of the bullwhip effect?

A) shortage gaming
B) channel coordination
C) order batching
D) demand forecast errors
E) price fluctuations