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although Karl Polanyi argued that the hallmark of capitalism is the establishment of generalized markets for what he called the " fictitious commodities " , i.e. land , labor and money .
 Karl Polanyi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Karl Polanyi