Public procurement cartels: A systematic testing of old and new screens.

Adam, Isabelle, Fazekas, Mihály, Kazmina, Yuliia, Teremy, Zsombor, Tóth, Bence, Villamil, Isabela Rosario; & Wachs, Johannes

GTI-WP/2022:01, Budapest: Government Transparency Institute. 2022