Fama and French (2002) studied the equity premium puzzle by breaking their sample into subperiods and found that\ Group of answer choices\ \ the equity premium was largest throughout the entire 1872-1999 period.\ \ the equity premium was largest during the 1872-1949 subperiod.\ \ the equity premium was largest during the 1950-1999 subperiod.\ \ the differences in equity premiums for the three time periods were statistically insignificant.\ \ the constant-growth dividend-discount model never works.\