Document details

Attitudes towards risk in financial decision making

Author(s): Vieira, Pedro Nuno Rino Carreira

Date: 2016

Persistent ID:

Origin: Repositório da UTL

Subject(s): Financial Investments; Risk Attitude; Risk Behavior; Expected Utility; Co- efficient of Risk Aversion; Cumulative Prospect Theory; Coefficient of Loss Aversion; DOSPERT; Consumption Needs


Risk and attitudes towards risk play a central role in several areas such as economics and psychology. Interestingly, in economics risk attitudes are addressed under the umbrella of the Utility Theory, while in psychology they are measured by psychometric scales. Risk attitudes in financial decision making are here studied under both approaches with the concern of understanding how they are related. So, I propose a conceptual model that explains risk attitudes, I translate to Portuguese the DOSPERT - Domain-Specif Risk- Taking scale and apply it in Portugal and Angola, I measure risk attitudes under Utility Theory and with DOSPERT, in order to bring new insights about their relationship, and I address the link between risk attitude and consumption needs. Among the main contributions, I propose a cause-effect model that helps solving the puzzle of individual inconsistent risk attitudes, I also propose a short version of the DOSPERT scale that can be used in Portugal and Angola, allowing comparisons between them, I report that risk attitudes depend on the consumption need underlying each financial investment decision and that risk attitudes under Utility Theory capture a more intrinsic and global risk attitude that impacts the risk attitude unveiled in each decision as measured by DOSPERT.

Doutoramento em Gestão

Document Type Doctoral thesis
Language English
Advisor(s) Duque, João; Raposo, Clara
Contributor(s) Vieira, Pedro Nuno Rino Carreira
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