1. Why do some argue that investing in sin stocks and exercising voice may be a profitable investment strategy?
2. Do supporters of behavioral finance believe in efficient markets ? explain
3. To a philatelist (a stamp collector to you and us), one of the most prized stamps is the 1918 24-cent inverted Jenny C3a. The stamp is a collectible because it has a picture of an upside-down biplane. One of these stamps sold at auction for $345,000 in 2010. At what rate did its value grow?