If PG-13 Is the Moneymaker, Why Is Hollywood Cranking Out So Many R-Rated Movies?

On average, PG-13 movies make more than three times what R-rated films do at the box office in the U.S. So why is Hollywood releasing far more R-rated movies than any other kind? This year, PG-13-rated films have accounted for 52 percent of the overall box office grosses, well ahead of films that the Motion Picture Association of America rated R (27 percent), PG (16 percent) or G (3 percent …