Stochastic Monotonicity and Random Utility Models: The Good and The Ugly
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arXiv
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| Natura: | Preprint |
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2024
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| _version_ | 1866916377264128000 |
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| author | Keffert, Henk Schweizer, Nikolaus |
| author_facet | Keffert, Henk Schweizer, Nikolaus |
| contents | When it comes to structural estimation of risk preferences from data on choices, random utility models have long been one of the standard research tools in economics. A recent literature has challenged these models, pointing out some concerning monotonicity and, thus, identification problems. In this paper, we take a second look and point out that some of the criticism - while extremely valid - may have gone too far, demanding monotonicity of choice probabilities in decisions where it is not so clear whether it should be imposed. We introduce a new class of random utility models based on carefully constructed generalized risk premia which always satisfy our relaxed monotonicity criteria. Moreover, we show that some of the models used in applied research like the certainty-equivalent-based random utility model for CARA utility actually lie in this class of monotonic stochastic choice models. We conclude that not all random utility models are bad. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_00704 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Stochastic Monotonicity and Random Utility Models: The Good and The Ugly Keffert, Henk Schweizer, Nikolaus General Economics Economics Methodology When it comes to structural estimation of risk preferences from data on choices, random utility models have long been one of the standard research tools in economics. A recent literature has challenged these models, pointing out some concerning monotonicity and, thus, identification problems. In this paper, we take a second look and point out that some of the criticism - while extremely valid - may have gone too far, demanding monotonicity of choice probabilities in decisions where it is not so clear whether it should be imposed. We introduce a new class of random utility models based on carefully constructed generalized risk premia which always satisfy our relaxed monotonicity criteria. Moreover, we show that some of the models used in applied research like the certainty-equivalent-based random utility model for CARA utility actually lie in this class of monotonic stochastic choice models. We conclude that not all random utility models are bad. |
| title | Stochastic Monotonicity and Random Utility Models: The Good and The Ugly |
| topic | General Economics Economics Methodology |
| url | https://arxiv.org/abs/2409.00704 |