This paper deals with fragmentation both theoretically and empirically. Not only it presents a picture of the existing literature on the field but it also provides some basic hints for future investigation. It pays particular attention to the possible theoretical dichotomy between fragmentation...

This paper contributes to the literature on interlocking directorates (ID) by providing a new solution to the two econometric issues arising in the joint analysis of interlocks and firm performance which are the endogenous nature of ID and sample selection bias due to the exclusion of isolated...