Do investors trade too much? A laboratory experiment

Domenico Massaro, Cars Hommes, João Da Gama Batista, Jean-Philippe Bouchaud, Damien Challet

Risultato della ricerca: Contributo in rivistaArticolo in rivista

9 Citazioni (Scopus)


We run an experiment to investigate the emergence of excess and synchronised trading activity leading to market crashes. Although the environment clearly favours a buy-and-hold strategy, we observe that subjects trade too much, which is detrimental to their wealth given the implemented market impact (known to them). We find that preference for risk leads to higher activity rates and that price expectations are fully consistent with subjects’ actions. In particular, trading subjects try to make profits by playing a buy low, sell high strategy. Finally, we do not detect crashes driven by collective panic, but rather a weak but significant synchronisation of buy activity.
Lingua originaleEnglish
pagine (da-a)18-34
Numero di pagine17
Stato di pubblicazionePubblicato - 2017


  • Crashes
  • Economics and Econometrics
  • Expectations
  • Experimental asset markets
  • Organizational Behavior and Human Resource Management
  • Risk attitude
  • Trading volumes

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