The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Text-Based Network Industries and Endogenous Product Differentiation
Abstract
We study how firms differ from their competitors using new time-varying measures of product similarity based on text-based analysis of firm 10-K product descriptions. This year-by-year set of product similarity measures allows us to generate a new set of industries in which firms can have their own distinct set of competitors. Our new sets of competitors explain specific discussion of high competition, rivals identified by managers as peer firms, and changes to industry competitors following exogenous industry shocks. We also find evidence that firm R&D and advertising are associated with subsequent differentiation from competitors, consistent with theories of endogenous product differentiation.
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Cites
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More Than Words: Quantifying Language to Measure Firms' Fundamentals
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Babina, T., Fedyk, A., He, A., & Hodson, J. (2024) · Journal of Financial Economics · doi:10.1016/j.jfineco.2023.103745 · Cited by 1,460
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Can ChatGPT forecast stock price movements? Return predictability and large language models
Lopez-Lira, A., & Tang, Y. (2026) · Journal of Financial Economics · doi:10.1016/j.jfineco.2026.104335 · Cited by 425
Metadata
- Authors
- Hoberg, G., & Phillips, G.
- Venue
- Journal of Political Economy
- Publisher
- University of Chicago Press
- Published
- 2016-10
- Volume
- 124
- Issue
- 5
- Pages
- 1423-1465
- ISSN
- 0022-3808 (ISSN-L)
- 1537-534X
- OpenAlex
- W3123123374
- Cited by
- 2,095
- References
- 29
- FWCI
- 216.67
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.