The Cost of Being a GirlThe gender wage gap is one of the most persistent problems of labor markets and womens lives. Most approaches to explaining the gap focus on adult employment despite the fact that many Americans begin working well before their education is completed. In her critical and compelling new book, The Cost of Being a Girl, Yasemin Besen Cassino examines the origins of the gender wage gap by looking at the teenage labor force, where comparisons between boys