recent research trend of NBER working papers, since 2013

Recent days I got curious that what topics attract most of economists' attentions. NBER working paper series contain some relatively new research fruits so I used it as the raw input.

It is not hard to extract key words from these papers' titles. After that,  I made a further step that matched all single keys to academic keywords on Microsoft Academic.

NBER working paper trend

From a glance, I manage to identify some hot keys:

Price. Health. Social. Policy/Public. Risk/asset/liquidity. Growth. Insurance. Education/School.

For reproducible purpose, my code is here.



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