What topic modeling could reveal about the evolution of economics* |
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| Authors: | Angela Ambrosino John B. Davis Stefano Fiori Marco Guerzoni Massimiliano Nuccio |
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| Affiliation: | 1. Dipartimento di Economia e Statistica “Cognetti de Martiis”, Università di Torino, Turin, Italy;2. Department of Economics, Marquette University, Milwaukee, WI, USA;3. Department of Economics, University of Amsterdam, Milwaukee, WI, USA;4. ICRIOS, Bocconi University, Milan, Italy |
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| Abstract: | ABSTRACTThe paper presents the topic modeling technique known as Latent Dirichlet Allocation (LDA), a form of text-mining aiming at discovering the hidden (latent) thematic structure in large archives of documents. By applying LDA to the full text of the economics articles stored in the JSTOR database, we show how to construct a map of the discipline over time, and illustrate the potentialities of the technique for the study of the shifting structure of economics in a time of (possible) fragmentation. |
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| Keywords: | Topic modeling economics as science economics literature text analysis |
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