This paper explores the relation between vertical disintegration and the co-localization of knowledge intensive business service (Kibs) firms in the metropolitan region of Milan, using micro-geographic data and nonparametric methods. Our main results are that: (i) compared to other manufacturing...

We use survey data from the USA and Japan to investigate whether having leader positions at middle and high school as well as participating in sports and clubs is affected by the gender composition of siblings. We find that having only sisters at age 15 increases substantially the probability of...