Professor Jeremy Siegel, of the University of Pennsylvania, Conducted Research

Professor Jeremy Siegel, of the University of Pennsylvania, conducted research that showed that:

A) over the long run, stocks have been less risky than bonds.
B) over the long run, bonds have been less risky than stocks.
C) over the long run, bonds frequently outperform stocks.
D) investors should only own stocks for short periods of time to maximize returns.