Angelo is looking to take a trip overseas. His mother, Maria, suggests that he go to a travel agent because they are "experts" in the field and will be able to get him the best deal.

Select the item from the list provided to make the following statements true.

	The existence of travel agents is a result of__________.
	With the creation of the internet, Angelo could search online instead of visitingdifferent travel agents. This process is likely to have a lower __________.
	Angelo instead decides to search using the internet. He should search until his marginal cost equals the expected value of his __________.

1.	Adverse selection
2.	20%
3.	Asymmetric information
4.	Marginal benefit
5.	Principal-agent problem
6.	Expected value
7.	80%
8.	Costly to fake principle
9.	More time looking
10.	Moral hazard
11.	Marginal cost
12.	Less time looking