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Trading Costs and Informational Efficiency

Author

Listed:
  • Cecilia Parlatore

    (New York University Stern)

  • Eduardo Davila

    (New York University)

Abstract

Abstract This paper studies the effect of trading costs on information diffusion and information acquisition in financial markets. For a given precision of investors' private information, an irrelevance result emerges when investors are ex-ante identical: the level of trading costs does not affect price informativeness or price volatility. This result holds independently of whether investors behave competitively or strategically and applies to both static and dynamic economies. When investors are ex-ante heterogeneous, trading costs affect price informativeness if and only if investors who disproportionately trade on information are more elastic than investors who mostly trade due to hedging. Trading costs always reduce information acquisition, even when price informativeness remains unchanged for a given amount of information. Our results matter to understand a) the consequences of cheaper financial trading and b) the effects of transaction taxes.

Suggested Citation

  • Cecilia Parlatore & Eduardo Davila, 2016. "Trading Costs and Informational Efficiency," 2016 Meeting Papers 494, Society for Economic Dynamics.
    • Handle: RePEc:red:sed016:494
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    2. Cipriani, Marco & Guarino, Antonio & Uthemann, Andreas, 2022. "Financial transaction taxes and the informational efficiency of financial markets: A structural estimation," Journal of Financial Economics, Elsevier, vol. 146(3), pages 1044-1072.
    3. Eduardo Dávila, 2023. "Optimal Financial Transaction Taxes," Journal of Finance, American Finance Association, vol. 78(1), pages 5-61, February.
    4. Sirnes Espen, 2022. "Estimating the Effect of Transaction Costs Using the Tick Size as a Proxy," Review of Economics, De Gruyter, vol. 73(1), pages 57-77, April.
    5. Maryam Farboodi & Laura Veldkamp, 2017. "Long Run Growth of Financial Technology," NBER Working Papers 23457, National Bureau of Economic Research, Inc.
    6. Baudry, Marc & Faure, Anouk & Quemin, Simon, 2021. "Emissions trading with transaction costs," Journal of Environmental Economics and Management, Elsevier, vol. 108(C).
    7. Tobias Dieler & Sonny Biswas & Giacomo Calzolari & Fabio Castiglionesi, 2023. "Asset Trade, Real Investment, and a Tilting Financial Transaction Tax," Management Science, INFORMS, vol. 69(4), pages 2401-2424, April.
    8. María Nieves López-García & Miguel Angel Sánchez-Granero & Juan Evangelista Trinidad-Segovia & Antonio Manuel Puertas & Francisco Javier De las Nieves, 2021. "Volatility Co-Movement in Stock Markets," Mathematics, MDPI, vol. 9(6), pages 1-19, March.
    9. Maogang Tang & Silu Cheng & Wenqing Guo & Weibiao Ma & Fengxia Hu, 2023. "Relationship between carbon emission trading schemes and companies’ total factor productivity: evidence from listed companies in China," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 25(10), pages 11735-11767, October.
    10. Zhao, Lu & Wang, Liang & Luo, Ronghua, 2024. "Mutual fund tournaments: State-dependent risk taking with transaction costs," Emerging Markets Review, Elsevier, vol. 59(C).
    11. Said, Bahrawar & Raza, Muhammad Wajid & Elshahat, Ahmed, 2024. "Does market microstructure affect time-varying efficiency? Evidence from emerging markets," Research in International Business and Finance, Elsevier, vol. 70(PA).
    12. Michael Fleming & Giang Nguyen & Francisco Ruela, 2024. "Tick Size, Competition for Liquidity Provision, and Price Discovery: Evidence from the U.S. Treasury Market," Management Science, INFORMS, vol. 70(1), pages 332-354, January.
    13. Jordi Mondria & Xavier Vives & Liyan Yang, 2022. "Costly Interpretation of Asset Prices," Management Science, INFORMS, vol. 68(1), pages 52-74, January.
    14. Dávila, Eduardo & Parlatore, Cecilia, 2023. "Volatility and informativeness," Journal of Financial Economics, Elsevier, vol. 147(3), pages 550-572.
    15. Huang, Shiyang & Qiu, Zhigang & Yang, Liyan, 2020. "Institutionalization, delegation, and asset prices," Journal of Economic Theory, Elsevier, vol. 186(C).
    16. Veldkamp, Laura & Farboodi, Maryam, 2018. "Long Run Growth of Financial Data Technology," CEPR Discussion Papers 13278, C.E.P.R. Discussion Papers.
    17. Xu, Weijun & Pan, Shiliang & Ji, Yucheng & Zhao, Qi, 2023. "Public disclosure with information sharing in financial market," Finance Research Letters, Elsevier, vol. 53(C).
    18. Coles, Jeffrey L. & Heath, Davidson & Ringgenberg, Matthew C., 2022. "On index investing," Journal of Financial Economics, Elsevier, vol. 145(3), pages 665-683.
    19. Maryam Farboodi & Laura Veldkamp, 2018. "Long Run Growth of Financial Data Technology," Working Papers 18-09, New York University, Leonard N. Stern School of Business, Department of Economics.

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    More about this item

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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