I think Milton Friedman was a ...

Nine letters: A person who pretends to have certain beliefs, attitudes or feelings when they really do not.

• Monetarist economics is Milton Friedman's direct criticism of Keynesian economics...
  
• Friedman's permanent-income hypothesis ... undermines the case for progressive taxation.
  
• Keynes emphasized volatile flows; Friedman emphasized stocks of wealth...
  
• Friedman took issue with the Keynesian multiplier...
• [Friedman said] "I think Keynes was a great economist."
  

 
Friedman was constantly littering. And yet he said "I think Keynes was a great economist".