Althea, a brilliant new ph. d. in economics, has turned down many job offers because she hopes eventually to teach at one of the top 10 universities in her field. the type of unemployment she is experiencing is

The type of unemployment that Althea is experiencing is called the frictional unemployment. Usually this occurs if there is a mismatch between the employer and the worker. In relation to Althea’s situation, there is "mismatch" because she prefers to teach at one of the top 10 universities in her field despite receiving many job offers. In simpler terms, Althea is looking for a better opportunity on the top 10 universities.