Dhrymes, Friend, and Gultekin, in Their Study of the APT

Multiple Choice

Dhrymes, Friend, and Gultekin, in their study of the APT, found that

A) as the number of securities used to form portfolios increased, the number of factors that characterized the return generating process decreased.
B) as the number of securities used to form portfolios increased, the number of factors that characterized the return generating process increased.
C) as the number of securities used to form portfolios decreased, the number of factors that characterized the return generating process increased.
D) as the number of securities used to form portfolios increased, the number of factors that characterized the return generating process remained unchanged.
E) None of these are correct.