Lisa B. Kahn, “The Long-Term Labor Market Consequences of Graduating from College in a Bad Economy,” Labour Economics 17, no. 2 (2010): 303–316.
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Эта идея лежит в основе теории хаоса и сложных систем. См., например: Dean Rickles, Penelope Hawe, and Alan Shiell, “A Simple Guide to Chaos and Complexity,” Journal of Epidemiology & Community Health 61, no. 11 (2007): 933–937.
