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Do broker/analyst conflicts matter? Detecting evidence from internet trading platforms

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  • Hanousek, Jan
  • Kopřiva, František

Abstract

We analyze the potential conflict of interest between analysts and brokers associated with each other. In contrast to the existing literature, we do not analyze prediction accuracy and/or biases in analyst recommendations. Instead, we focus our analysis on brokers and examine whether their behavior systematically differs before and after investment recommendations are released. The evolution and dynamics of brokers' quotes and trades are used to test for systematic trading patterns around the release of one's own investment recommendation. In the model we control for brokers' responses to other investment advices and employ a SUR estimation framework. Data from the Prague Stock Exchange are used to demonstrate our methodology. Finding significant and systematic differences in brokers' behavior, we conclude that misuse of investment recommendations is widespread.

Suggested Citation

  • Hanousek, Jan & Kopřiva, František, 2013. "Do broker/analyst conflicts matter? Detecting evidence from internet trading platforms," International Review of Financial Analysis, Elsevier, vol. 28(C), pages 86-92.
    • Handle: RePEc:eee:finana:v:28:y:2013:i:c:p:86-92
    DOI: 10.1016/j.irfa.2013.02.015
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    Cited by:

    1. Jan Hanousek & Jan Novotný, 2014. "Cenové skoky během finanční nejistoty: od intuice k regulační perspektivě [Price Jumps during Financial Crisis: From Intuition to Financial Regulation]," Politická ekonomie, Prague University of Economics and Business, vol. 2014(1), pages 32-48.
    2. Wu, Chen-Hui, 2022. "The informativeness of brokerage reports: Privately-circulated versus publicly-disseminated news," International Review of Financial Analysis, Elsevier, vol. 83(C).

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    More about this item

    Keywords

    Conflict of interest; Dealers' market; Emerging markets; Informed trading; Investment recommendations; Trading systems;
    All these keywords.

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • P34 - Political Economy and Comparative Economic Systems - - Socialist Institutions and Their Transitions - - - Finance

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