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1. Exploring the Impact of Behavioural Factors and Personality Traits on Private Pension System Participation: A Machine Learning Approach

Author:
Can Verberi and Muhittin Kaplan
Publication Date:
01-2024
Content Type:
Journal Article
Journal:
Istanbul Journal of Economics
Institution:
Istanbul University Faculty of Economics
Abstract:
This study aims to investigate the effects of personality traits, in addition to basic financial literacy, private pension literacy and behavioural factors on Private Pension System (PPS) participation using machine learning algorithms. The PPS participation model was trained using both random forest and LightGBM algorithms, and the contributions of model inputs in the prediction of pension participation were interpreted using the Tree SHAP algorithms with swarmplots. The data employed in the empirical analysis is survey data collected from the Şırnak province of Türkiye with a sample size of 449. The findings of the study shows that: (i) PPS participation is more likely for females and middle-aged people; (ii) High basic financial literacy has a negative impact on PPS participation; (iii) Extraversion is the key personality trait affecting PPS participation; (iv) Advanced pension literacy has more impact on participation than simple pension literacy: (v) Present-fatalistic tendency is key behavioural factor and it negatively affects PPS; (vi) Present-hedonistic, conscientiousness, future-time orientation, and locus of control tendencies increase PPS participation. Furthermore, the distribution of colours in LightGBM has a greater degree of uniformity in both directions compared with the random forest algorithm. Finally, to increase PPS participation, the results of the study suggest the implementation of the following policy measures: Tailored pension literacy programmes can help to increase pension participation rates. Incentives should be created to prevent narrow-minded behaviour and establish a sense of protection and control around PPS, targeting middle-aged individuals and women.
Topic:
Economics, Behavior, Pension, Machine Learning, and Personality
Political Geography:
Turkey and Global Focus

2. Exogenous Dynamics and Leadership Traits: A Study of Change in the Personality Traits of Recep Tayyip Erdoğan

Author:
Ali Balcı and Ibrahim Efe
Publication Date:
07-2021
Content Type:
Journal Article
Journal:
All Azimuth: A Journal of Foreign Policy and Peace
Institution:
Center for Foreign Policy and Peace Research
Abstract:
Do leadership attributes change/persist with experience in office, and after a dramatic event? Answers to this agent-structure question represent the main division line between dispositional and situational theorists. While the first posits that leader’s actions are a product of configuration imposed by experience, and traumatic events, the latter focuses on persistent set of beliefs in leaders. This paper aims at testing the role of these two variables, experience, and traumatic event, on the personality of political leaders with a special focus on Recep Tayyip Erdogan. To recover the personality attributes of Erdogan, and measure their resilience or weakness against experience and traumatic events, the paper uses Leadership Trait Analysis (LTA) developed by Margaret Hermann. LTA assumes that leaders’ choice of certain words in public speeches reflects their personality traits, through which they can be compared with other leaders, and even themselves in different roles and times.
Topic:
Leadership, Trauma, Recep Tayyip Erdoğan, Personality, and Trait Analysis
Political Geography:
Turkey, Middle East, and Mediterranean