When receiving the Nobel Prize, Hurwicz took up the question “who is watching the guards?” and considered two approaches. One pessimistic, inspired by Juvenal, which leads to an infinite sequence of guards, and one idealistic, derived from the Platonic dialogues. The guard cannot get drunk,...

Being able to manage growth, improve results, change behavioral attitudes and innovate are legitimate aspirations in the search for an improved performance, even though they are not the only ones. At the beginning, it was believed that productive specialization and scale would be sufficient to...