Adam, I., Fazekas, M., Kazmina, Y., Teremy, Zs., Tóth, B., Villamil, I., R. and Wachs, J. (2022). Public procurement cartels: A systematic testing of old and new screens. GTI-WP/2022:01, Budapest: Government Transparency Institute.
Though cartels are thought to be common, they tend to be hard to find. Successful prosecutions are even more rare, and usually begin with an exceptional event: when a cartel member makes a sloppy mistake or decides to blow the whistle. Researchers have long studied these cases …