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He earned a bachelor 's degree in economics from the University of Pittsburgh in 1978 , and an MBA from Carnegie Mellon University in 1982 .
 University of Pittsburgh, Carnegie Mellon University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Pittsburgh, Carnegie Mellon University