Information, entropy and the paradox of choice: A theoretical framework for understanding choice satisfaction
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| Format: | Preprint |
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2024
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| _version_ | 1866915068890841088 |
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| author | Asl, Mojtaba Madadi Hajian, Kamal Torabi, Rouzbeh Sadeghi, Mehdi |
| author_facet | Asl, Mojtaba Madadi Hajian, Kamal Torabi, Rouzbeh Sadeghi, Mehdi |
| contents | Choice overload occurs when individuals feel overwhelmed by an excessive number of options. Experimental evidence suggests that a larger selection can complicate the decision-making process. Consequently, choice satisfaction may diminish when the costs of making a choice outweigh its benefits, indicating that satisfaction follows an inverted U-shaped relationship with the size of the choice set. However, the theoretical underpinnings of this phenomenon remain underexplored. Here, we present a theoretical framework based on relative entropy and effective information to elucidate the inverted U-shaped relationship between satisfaction and choice set size. We begin by positing that individuals assign a probability distribution to a choice set based on their preferences, characterized by an observed Shannon entropy. We then define a maximum entropy that corresponds to a worst-case scenario where individuals are indifferent among options, leading to equal probabilities for all alternatives. We hypothesized that satisfaction is related to the probability of identifying an ideal choice within the set. By comparing observed entropy to maximum entropy, we derive the effective information of choice probabilities, demonstrating that this metric reflects satisfaction with the options available. For smaller choice sets, individuals can more easily identify their best option, resulting in a sharper probability distribution around the preferred choice and, consequently, minimum entropy, which signifies maximum information and satisfaction. Conversely, in larger choice sets, individuals struggle to compare and evaluate all alternatives, leading to missed opportunities and increased entropy. This smooth probability distribution ultimately reduces choice satisfaction, thereby producing the observed inverted U-shaped trend. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_12721 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Information, entropy and the paradox of choice: A theoretical framework for understanding choice satisfaction Asl, Mojtaba Madadi Hajian, Kamal Torabi, Rouzbeh Sadeghi, Mehdi Physics and Society Theoretical Economics Choice overload occurs when individuals feel overwhelmed by an excessive number of options. Experimental evidence suggests that a larger selection can complicate the decision-making process. Consequently, choice satisfaction may diminish when the costs of making a choice outweigh its benefits, indicating that satisfaction follows an inverted U-shaped relationship with the size of the choice set. However, the theoretical underpinnings of this phenomenon remain underexplored. Here, we present a theoretical framework based on relative entropy and effective information to elucidate the inverted U-shaped relationship between satisfaction and choice set size. We begin by positing that individuals assign a probability distribution to a choice set based on their preferences, characterized by an observed Shannon entropy. We then define a maximum entropy that corresponds to a worst-case scenario where individuals are indifferent among options, leading to equal probabilities for all alternatives. We hypothesized that satisfaction is related to the probability of identifying an ideal choice within the set. By comparing observed entropy to maximum entropy, we derive the effective information of choice probabilities, demonstrating that this metric reflects satisfaction with the options available. For smaller choice sets, individuals can more easily identify their best option, resulting in a sharper probability distribution around the preferred choice and, consequently, minimum entropy, which signifies maximum information and satisfaction. Conversely, in larger choice sets, individuals struggle to compare and evaluate all alternatives, leading to missed opportunities and increased entropy. This smooth probability distribution ultimately reduces choice satisfaction, thereby producing the observed inverted U-shaped trend. |
| title | Information, entropy and the paradox of choice: A theoretical framework for understanding choice satisfaction |
| topic | Physics and Society Theoretical Economics |
| url | https://arxiv.org/abs/2412.12721 |