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With Greenspan ' s unspoken position as economic czar , that ' s what we have right now : a benevolent dictatorship of the Fed .
 the Fed, Greenspan, economic czar, we
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 the Fed, Greenspan, economic czar, we