Konrad, Kai A. Public Economics, MPI for Tax Law and Public Finance, Max Planck Society;
https://ssrn.com/abstract=3184246 (Preprint)
Konrad, K. A. (2021). Dynamics of the market for corporate tax avoidance advice. The Scandinavian journal of economics, 123(1), 267-294. doi:10.1111/sjoe.12389.