6Pagano, Marco, and Alisa Roel. The choice of stock own ership structure: agency costs, monitoring, and the decision to go public. Quarterly Journal of Economics, 1998, 113:187 - 225.
7Bennedsen M., M. Fosgerau, and K. Nielsen. The Strategic Choice of Control Allocation and Ownership Distribution in Closely Held Corporations. Working Paper, Copenhagen Business School, 2003.
8Wolfenzon, D. A theory of pyramidal structures. Working paper, Harvard University, 1999.