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Strategic Partial Inattention in Oligopoly

  • Lijun Pan EMAIL logo
Veröffentlicht/Copyright: 7. März 2024

Abstract

This article examines firms’ choices on partial (in)attention prior to quantity competition. Being partially (in)attentive, a firm accounts for a part of its market impact. We find that regardless of the number of firms, there is always a unique subgame perfect Nash equilibrium where all firms choose to be partially attentive. The optimal attention level decreases in the number of firms, increases in product differentiation, and converges to zero, i.e. firms tend to be fully inattentive, as either the number of firms goes to infinity or product differentiation goes to zero.

JEL Classification: D43; L13

Corresponding author: Lijun Pan, School of Business, Nanjing University, Nanjing, China, E-mail:

Award Identifier / Grant number: 22&ZD074

Award Identifier / Grant number: 19K13681

Award Identifier / Grant number: 71573141

Acknowledgments

I would like to express my gratitude to the Editor, Burkhard C. Schipper, and two anonymous referees for their constructive comments and suggestions. I am also indebted to Takatoshi Tabuchi for his in-depth discussion and generous guidance. I gratefully acknowledge the financial support from the Grant-in-aid for Research Activity, Japan Society for the Promotion of Science (19K13681), National Science Foundation of China (71573141), and National Social Science Fund of China (22&ZD074). The usual disclaimer applies.

  1. Research funding: This work includes the financial support from the Grant-in-aid for Research Activity, National Social Science Fund of China (22&ZD074), Japan Society for the Promotion of Science (19K13681), and National Science Foundation of China (71573141).

References

Breinlich, H., H. Fadinger, V. Nocke, and N. Shutz. 2023. Gravity with Granularity. Working Paper. Also available at: https://fadinger.vwl.uni-mannheim.de/Research_files/BFNS-20230531.pdf.Suche in Google Scholar

Bresnahan, T. F. 1989. “Chapter 17: Empirical Studies of Industries with Market Power.” In Handbook of Industrial Organization, Vol. 2, edited by R. Schmalensee, and R. Willig, 1011–57. Elsevier.10.1016/S1573-448X(89)02005-4Suche in Google Scholar

Cellini, R., L. Lambertini, and G. I. P. Ottaviano. 2020. “Strategic Inattention, Delegation and Endogenous Market Structure.” European Economic Review 121: 103324. https://doi.org/10.1016/j.euroecorev.2019.103324.Suche in Google Scholar

Chone, P., and L. Linnemer. 2020. “Linear Demand Systems for Differentiated Goods: Overview and User’s Guide.” International Journal of Industrial Organization 73: 102663. https://doi.org/10.1016/j.ijindorg.2020.102663.Suche in Google Scholar

Erkal, N., and L. Pan. 2022. “Horizontal Merger Analysis with Endogenous Product Range Choice.” ISER Discussion Paper No. 1162.10.2139/ssrn.4035163Suche in Google Scholar

Fershtman, C., and K. L. Judd. 1987. “Equilibrium Incentives in Oligopoly.” The American Economic Review 77 (5): 927–40.Suche in Google Scholar

Heifetz, A., C. Shannon, and Y. Spiegel. 2007. “What to Maximize if You Must.” Journal of Economic Theory 133 (1): 31–57. https://doi.org/10.1016/j.jet.2005.05.013.Suche in Google Scholar

Helpman, E., and B. Niswonger. 2022. “Dynamics of Markups, Concentration, and Product Span.” American Economic Journal: Macroeconomics 14 (3): 42–81. https://doi.org/10.1257/mac.20200378.Suche in Google Scholar

Johnson, J. P., and A. Rhodes. 2021. “Multiproduct Mergers and Quality Competition.” The RAND Journal of Economics 52 (3): 633–61. https://doi.org/10.1111/1756-2171.12386.Suche in Google Scholar

Kahneman, D., P. Slovic, and A. Tversky, eds. 1982. Judgement under Uncertainty: Heuristics and Biases. New York: Cambridge Press.10.1017/CBO9780511809477Suche in Google Scholar

Montez, J., and N. Schutz. 2021. “All-pay Oligopolies: Price Competition with Unobservable Inventory Choices.” The Review of Economic Studies 88 (5): 2407–38. https://doi.org/10.1093/restud/rdaa085.Suche in Google Scholar

Pan, L., and M. Hanazono. 2018. “Is a Big Entrant a Threat to Incumbents? the Role of Demand Substitutability in Competition Among the Big and the Small.” The Journal of Industrial Economics 66 (1): 30–65. https://doi.org/10.1111/joie.12164.Suche in Google Scholar

Pan, L., and Y. Wang. 2020. “Competition Among Large and Heterogeneous Small Firms.” Economics Letters 196: 109604. https://doi.org/10.1016/j.econlet.2020.109604.Suche in Google Scholar

Parenti, M. 2018. “Large and Small Firms in a Global Market: David vs. Goliath.” Journal of International Economics 110: 103–18, https://doi.org/10.1016/j.jinteco.2017.09.001.Suche in Google Scholar

Shimomura, K.-I., and J.-F. Thisse. 2012. “Competition Among the Big and the Small.” The RAND Journal of Economics 43 (2): 329–47. https://doi.org/10.1111/j.1756-2171.2012.00168.x.Suche in Google Scholar

Zajac, E., and M. Bazerman. 1991. “Blind Spots in Industry and Competitor Analysis: Implications of Interfirm (Mis)perceptions for Strategic Decisions.” Academy of Management Review 16 (1): 37–56. https://doi.org/10.2307/258606.Suche in Google Scholar

Received: 2023-04-04
Accepted: 2024-02-22
Published Online: 2024-03-07

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Heruntergeladen am 10.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/bejte-2023-0028/html
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