I want to know the answer to the following question:
Cronyism is also when people are selected from a closed and exclusive social network, which is called what?
All the background I'm provided with is that "A milder form of cronyism is an "old boy network", in which appointees to official positions are selected only from a closed and exclusive social network – such as the alumni of particular universities – instead of appointing the most competent candidate.". Is that enough to answer the question?