Exploring the Relationships Between Behavioural Biases and the Rational Behaviour of Australian Female Consumers
Abstract
:1. Introduction
2. Literature Review, Theoretical Background and Proposed Hypotheses
2.1. Financial Vulnerability Among Australian Female Consumers
2.2. Behavioural Biases and Adaptive Market Hypothesis
2.3. Rationality and Financial Decision-Making
2.4. Rational Decision-Making and Behavioural Biases
2.4.1. Rational Decision-Making and Overconfidence Bias
2.4.2. Rational Decision-Making and Herding Bias
3. Methodology
3.1. Data Collection and Survey Administration
3.2. Data Screening
3.3. Sampling
3.4. Adapting SEM Techniques for Data Analysis
3.5. Development of the Survey Instrument
4. Findings and Discussion
4.1. Responses to Hypothetical Scenarios and Financial Literacy Levels Among Australian Female Consumers
4.2. Reliability and Validity Analysis
4.3. Results of Structural Equation Modelling
4.4. Role of Demographical Variables on Rational Decision-Making Process
5. Theoretical Contributions
6. Conclusions and Implications for Practice
7. Limitations and Future Research Directions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Psychological Theories/Models | Key Literature | Implications in Women’s Financial Decision-Making Styles |
---|---|---|
Theory of planned behaviour | Sotiropoulos and d’Astous (2013) | Social class and comparison among women are observed based on excessive spending using credit cards. |
The transtheoretical model of change | Shockey and Seiling (2004); Xiao et al. (2001) | Women tend to hold on to their investments to gain a larger profit rather than selling them, even if selling might be more profitable. |
Health-belief model | Kaur and Vohra (2012) | Most female buyers have a sense of fear/loss when making decisions. |
Theory of reasoned action | Ozmete and Hira (2011) | Women perceive financial decision-making as traumatic and time-consuming. |
Risk-reduction model | Kaur and Vohra (2012); Ozmete and Hira (2011) | Women rely on financial advisors so as to minimise risk while making decisions. |
Role theory | Hira and Mugenda (2000); Loibl and Hira (2006) | Less financial knowledge leads to a lower level of confidence in the decision-making process. |
Hypothetical Scenario 1 | Low Gain/No Loss | Medium Gain/Medium Loss | High Gain/High Loss |
---|---|---|---|
Hypo 1: Assume that your bank offers you an investment with the following characteristics: low gain/no loss, medium gain/medium loss and high gain/high loss. Which one would you choose? | 47.33% | 50.70% | 1.96% |
Hypothetical Scenario 2 | Will shift to other investment products that have better performance | Will wait for some days to see any improvements in performance | Will wait for some weeks to see any improvements in performance |
Hypo 2: Assume that you have invested some money in investment products. What do you do if their interest rates start to generate a loss? | 24.64% | 54.06% | 21.28% |
Hypothetical Scenario 3 | Will shift to an investment with a stable return | Will wait for some days to see a stable interest rate | Will wait for some weeks to see a stable interest rate |
Hypo 3: Assume that you have invested in some investment products. What do you do if their interest rates start to have an unexpectedly high return? | 16.80% | 55.46% | 27.73% |
Forecasting Investment Trends | Cannot Predict (1) | Can Predict (10) | |
How easy is it for you to predict the interest rates of the financial product that you have purchased recently? | 80.4% | 19.6% |
Construct | Items | Factor Loading | Sig | Cronbach’s (α) | CR | AVE |
---|---|---|---|---|---|---|
Demand Identification | IDENT1 | 0.65 | *** | 0.79 | 0.79 | 0.57 |
IDENT2 | 0.77 | *** | ||||
IDENT3 | 0.83 | *** | ||||
Information Search | INFO2 | 0.54 | *** | 0.60 | 0.60 | 0.41 |
INFO3 | 0.73 | *** | ||||
Evaluation of Alternatives | EVAL1 | 0.88 | *** | 0.74 | 0.74 | 0.60 |
EVAL2 | 0.64 | *** | ||||
Herding | HERD2 | 0.64 | *** | 0.65 | 0.65 | 0.48 |
HERD4 | 0.74 | *** | ||||
Overconfidence | OVER1 | 0.80 | *** | 0.88 | 0.88 | 0.64 |
OVER2 | 0.85 | *** | ||||
OVER3 | 0.74 | *** | ||||
OVER4 | 0.83 | *** |
Hypothesis | Structural Relationships | Regression Weights | S.E. | C.R. | p Label | Results |
---|---|---|---|---|---|---|
H1 | Demand Identification → Information Search | 0.89 | 0.11 | 8.06 | (***) | Supported |
H2 | Information Search → Evaluation of Alternatives | 0.79 | 0.11 | 8.69 | (***) | Supported |
H3 | Demand Identification → Overconfidence | −0.65 | 0.41 | −2.07 | (***) | Supported |
H4 | Demand Identification → Herding | −0.54 | 0.15 | −2.45 | (***) | Supported |
H5 | Information Search → Overconfidence | 1.68 | 0.51 | 4.20 | (***) | Supported |
H6 | Information Search → Herding | 0.95 | 0.16 | 3.87 | (***) | Supported |
H7 | Evaluation of Alternatives → Overconfidence | −0.41 | 0.17 | −2.39 | (***) | Supported |
H8 | Evaluation of Alternatives → Herding | 0.39 | 0.75 | 2.90 | (***) | Supported |
Structural Relationships of Demographical Variables | Regression Weights | S.E. | C.R. | p Label | Results |
---|---|---|---|---|---|
Education → Demand Identification | 0.13 | 0.03 | 2.30 | (***) | Supported |
Education → Information Search | 0.14 | 0.03 | 2.41 | (***) | Supported |
Education → Evaluation of Alternatives | −0.04 | 0.04 | −0.79 | 0.42 | Not Supported |
Income → Demand Identification | 0.30 | 0.03 | 5.0 | (***) | Supported |
Income → Information Search | 0.08 | 0.03 | 1.39 | 0.164 | Not Supported |
Income → Evaluation of Alternatives | −0.07 | 0.44 | −1.12 | 0.26 | Not Supported |
Age → Demand Identification | −0.10 | 0.03 | −1.80 | 0.07 | Not Supported |
Age → Information Search | 0.24 | 0.03 | 0.44 | 0.66 | Not Supported |
Age → Evaluation of Alternatives | −0.02 | 0.04 | −0.32 | 0.75 | Not Supported |
Marital Status → Demand Identification | 0.03 | 0.03 | 0.55 | 0.57 | Not Supported |
Marital Status → Information Search | −0.15 | 0.03 | −2.70 | (***) | Supported |
Marital Status → Evaluation of Alternatives | 0.06 | 0.04 | 1.01 | 0.31 | Not Supported |
Key Issues | Institutional/Managerial Implications |
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Marketing Stimuli |
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Mechanisms |
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Government/Institutional |
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Sharma, A.; Hewege, C.; Perera, C. Exploring the Relationships Between Behavioural Biases and the Rational Behaviour of Australian Female Consumers. Behav. Sci. 2025, 15, 58. https://doi.org/10.3390/bs15010058
Sharma A, Hewege C, Perera C. Exploring the Relationships Between Behavioural Biases and the Rational Behaviour of Australian Female Consumers. Behavioral Sciences. 2025; 15(1):58. https://doi.org/10.3390/bs15010058
Chicago/Turabian StyleSharma, Abhishek, Chandana Hewege, and Chamila Perera. 2025. "Exploring the Relationships Between Behavioural Biases and the Rational Behaviour of Australian Female Consumers" Behavioral Sciences 15, no. 1: 58. https://doi.org/10.3390/bs15010058
APA StyleSharma, A., Hewege, C., & Perera, C. (2025). Exploring the Relationships Between Behavioural Biases and the Rational Behaviour of Australian Female Consumers. Behavioral Sciences, 15(1), 58. https://doi.org/10.3390/bs15010058