<p>Listed corporations achieve effectiveness through segmentation of investors. Categorization of like- minded investors diminishes goal incongruence. This thesis aim to examine an Investor models accuracy, provided by a Professor Emeritus in Economic Psychology in 2001. This model segments investors as active, passive, speculative and naive investors.</p><p> </p><p>This thesis has a demarcation to private investors on the Swedish stock market. It has a deductive and qualitative approach as the purpose is to study the Investor model. In order to obtain empirical data semi- structured interviews were conducted with Avanza Bank, Handelsbanken, Aktiespararna and Karl- Erik Wärneryd, the author of the Investor model. All interviews were carried out by telephone except the face- to- face interview with Karl- Erik Wärneryd.</p><p> </p><p>The conclusion of this thesis is that the Investor model is not universal. The Investor model needs to be modified by the purpose of the sector of the application in order to be accurate. Different factors have influenced investors since 2001 which has subsequently had an effect on the Investor groups’ characteristics.</p>

Listed corporations achieve effectiveness through segmentation of investors. Categorization of like- minded investors diminishes goal incongruence. This thesis aim to examine an Investor models accuracy, provided by a Professor Emeritus in Economic Psychology in 2001. This model segments investors as active, passive, speculative and naive investors.   This thesis has a demarcation to private investors on the Swedish stock market. It has a deductive and qualitative approach as the purpose is to study the Investor model. In order to obtain empirical data semi- structured interviews were conducted with Avanza Bank, Handelsbanken, Aktiespararna and Karl- Erik Wärneryd, the author of the Investor model. All interviews were carried out by telephone except the face- to- face interview with Karl- Erik Wärneryd.   The conclusion of this thesis is that the Investor model is not universal. The Investor model needs to be modified by the purpose of the sector of the application in order to be accurate. Different factors have influenced investors since 2001 which has subsequently had an effect on the Investor groups’ characteristics.