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The objective of field research in economics is to get beneath the surface , to contrast observed behaviour with the prevailing understanding of a process , and to relate language and description to behavior ( e.g. Deirdre McCloskey , 1985 ) .
 Deirdre McCloskey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Text: {0} 
Answer:
 Deirdre McCloskey