Behavioral biases of investment advisors - The effect of overconfidence and hindsight bias

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dc.contributor Aalto University en
dc.contributor Aalto-yliopisto fi
dc.contributor.author Seppälä, Antti
dc.date.accessioned 2011-11-14T11:23:18Z
dc.date.available 2011-11-14T11:23:18Z
dc.date.issued 2009
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/282
dc.description.abstract The objective of this thesis is to examine the effects of three behavioral biases on investment advisors. These biases are hindsight bias, overconfidence and self-attribution bias. A survey study is carried out to find out how the studied biases affect the investment advisors. The same survey study is also carried out for two control groups for comparative purposes. In addition, the effects of individual thinking style and cognitive abilities on the exposure to behavioral biases are studied. The data in this study is collected in controlled field surveys. The surveys are carried for three separate groups of people; financial professionals, university students and employees of an engineering company The participants of the surveys answer a questionnaire that contains financial market related estimation tasks. The main insight of the survey study is the two-pronged structure of the surveys. The ability to recollect answers and repeat the surveys enables the examination of the biases at issue. The biases are studied by comparing observations from different phases of the surveys to each other. Hindsight bias is observed by differences between initial answers and the recollections. Overconfidence is studied using initial answers and realized results. Analyses of self-attribution bias use initial answers from first and second round. The main finding of this study is that people in general are exposed to the studied behavioral biases but the degree and impact are affected by experience and other characteristics. Investment advisors are generally less exposed to hindsight bias than other people. Moreover, professionals generally outperform other people with lower level of confidence, which indicates lower overconfidence. However, professionals are most exposed to self-attribution bias. The results indicate that in addition to expertise, individual thinking style explains behavioral biases. People with high faith in intuition are more exposed to behavioral biases. Overall, the results of this thesis provide valuable new information on behavioral biases and investment advisors. en
dc.format.extent 108
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.title Behavioral biases of investment advisors - The effect of overconfidence and hindsight bias en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Kauppakorkeakoulu fi
dc.contributor.school School of Economics en
dc.contributor.department Department of Accounting and Finance en
dc.contributor.department Laskentatoimen ja rahoituksen laitos fi
dc.subject.keyword Behavioral Finance
dc.subject.keyword Investment advisors
dc.subject.keyword overconfidence
dc.subject.keyword hindsight bias
dc.subject.keyword self-attribution bias
dc.identifier.urn URN:NBN:fi:aalto-201111181194
dc.type.dcmitype text en
dc.programme.major Finance en
dc.programme.major Rahoitus fi
dc.type.ontasot Master's thesis en
dc.type.ontasot Pro gradu tutkielma fi
dc.subject.helecon rahoitus
dc.subject.helecon financing
dc.subject.helecon behavioral finance
dc.subject.helecon behavioral finance
dc.subject.helecon sijoittajat
dc.subject.helecon investors
dc.subject.helecon neuvonta
dc.subject.helecon counselling
dc.subject.helecon käyttäytyminen
dc.subject.helecon behaviour
dc.ethesisid 12150
dc.date.dateaccepted 2009-09-08
dc.location P1 I


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