Investors’ attention and information losses under market stress

Catalin-Florinel Dragomirescu-Gaina, Dionisis Philippas, Stéphane Goutte, Duc Khuong Nguyen

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

The paper proposes a novel point-wise entropy approach to measure the time-varying losses in the value of information that investors associate with market signals, financial and economic indicators, and news. We cast our approach in a Bayesian framework and assume that market agents update their beliefs to incoming signals based on a prior information set. By exploiting the distribution rather than the time-series properties of information signals, our method is able to construct univariate signal-specific, but also composite proxies of information loss, with the latter being more efficient in reducing misleading effects and interpretation errors. As an empirical illustration, we construct information loss proxies for the US equity market from several mainstream information signals and find that the majority of information loss indicators can influence investors’ attention, which then intermediates the impact of information signals on market outcomes. Finally, we show that, by relying on composites rather than univariate proxies, market agents can diversify and thus reduce their information losses when interpreting signals associated with the same underlying event.
Lingua originaleEnglish
pagine (da-a)1112-1127
Numero di pagine16
RivistaJOURNAL OF ECONOMIC BEHAVIOR & ORGANIZATION
Volume191
DOI
Stato di pubblicazionePubblicato - 2021

Keywords

  • Information loss, Point-wise entropy, Attention, Google search volume

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