This article provides a comprehensive analysis of specific trends within and across all areas of economic research. We collect data from 24,273 articles published between 1970 and 2016 in general research economics outlets and use machine learning techniques to enrich the collected data. The results show that papers on economic theory and methods are becoming increasingly specialized, with a decreasing scope and strong or decreasing citations from foreign economics and other fields of economic research. On the other hand, used papers cover a wide range of topics, receiving more citations from fields such as medicine, and psychology. Trends in applied theory articles are unclear.
That appears in a new paper on Sebastian Galiani, Ramiro H. Gálvez, and Ian Nachmanby Robin Hanson.
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