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  3. American Economic Review
  4. May 2017
  5. Economic Research Evolves: Fields and Styles

American Economic Review

ISSN 0002-8282 (Print) | ISSN 1944-7981 (Online)

Economic Research Evolves: Fields and Styles

  • Joshua Angrist
  • Pierre Azoulay
  • Glenn Ellison
  • Ryan Hill
  • Susan Feng Lu
American Economic Review
vol. 107, no. 5, May 2017
(pp. 293–97)
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Abstract

We examine the evolution of economics research using a machine-learning-based classification of publications into fields and styles. The changing field distribution of publications would not seem to favor empirical papers. But economics' empirical shift is a within-field phenomenon; even fields that traditionally emphasize theory have gotten more empirical. Empirical work has also come to be more cited than theoretical work. The citation shift is sharpened when citations are weighted by journal importance. Regression analyses of citations per paper show empirical publications reaching citation parity with theoretical publications around 2000. Within fields and journals, however, empirical work is now cited more.

Citation

Angrist, Joshua, Pierre Azoulay, Glenn Ellison, Ryan Hill, and Susan Feng Lu. 2017. "Economic Research Evolves: Fields and Styles." American Economic Review, 107 (5): 293–97. DOI: 10.1257/aer.p20171117

Additional Materials

JEL Classification

  • A11 Role of Economics; Role of Economists; Market for Economists
  • A14 Sociology of Economics