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For three years ( 1962 – 1965 ) , while in graduate school at Yale , Sadowsky was a consultant to government agencies and research projects , e.g. he introduced the use of computers for revenue estimation in the Office of Tax Analysis of the U. S. Treasury Department and developed a large computer-based microanalytic simulation model to analyze the revenue and distributional effects of preliminary versions of the Revenue Act of 1964 .
 Yale, Sadowsky
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yale, Sadowsky