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首页> 外文期刊>Transportation Research >A multiple discrete continuous model of time use that accommodates non-additively separable utility functions along with time and monetary budget constraints
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A multiple discrete continuous model of time use that accommodates non-additively separable utility functions along with time and monetary budget constraints

机译：多个离散的连续时间模型，可以随时间和货币预算限制容纳非加剧可分离的实用功能

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摘要

This paper proposes a multiple discrete continuous (MDC) choice modelling framework with the following features for analyzing individuals' time use decisions: (a) accommodates non-additively separable (NAS) utility functions with respect to time allocation across different non-work activities, (b) considers both time and money constraints by integrating the two constraints into a single economic constraint, and (c) allows corner solutions for (i.e., non-participation in) discretionary, non-work activities. The proposed framework is applied to analyze weekly time use of employed individuals in Netherlands using a data set derived from the Time use and Consumption survey of the Longitudinal Internet Studies for the Social Sciences (LISS) panel. The empirical results of the proposed model are compared to those from two simpler models - (a) a model that ignores the monetary budget constraint but employs the NAS utility function and (b) a model that considers both time and money budget constraints but uses a simpler, additively separable utility function. The results suggest that considering both time and money constraints, when combined with the NAS utility function, facilitates in capturing rich substitution patterns in time allocation to non-work activities, in addition to revealing demographic heterogeneity in satiation effects. Further, the proposed model offers a superior goodness of fit when compared to that from the simpler models that ignore either the monetary constraint or the NAS utility function. Finally, the model results provide important policy insights for reducing demographic inequities in time allocation among employed individuals.
机译：本文提出了一种具有以下功能的多个分立的连续（MDC）选择建模框架来分析个人的时间使用的决定：（一）适应非加性可分相对于（NAS）的效用函数，以在不同的非工作活动时间分配， （二）由两个约束集成到一个单一的经济约束，以及（c）同时考虑了时间和金钱的限制允许（即没有参加）全权委托，非工作活动的角落解决方案。拟议的框架用于分析每周使用时间在荷兰，个体经营户使用从纵向互联网研究的社会科学（LISS）面板的使用时间及消费调查所得的数据集。该模型的实证结果相比，从两个简单的模型 - （一）忽略了货币的预算约束，但是采用NAS实用功能和（b）在考虑了时间和资金预算的限制，但使用一个模型的模型简单，相加可分效用函数。结果表明，在考虑了时间和金钱的限制，当与NAS实用功能相结合，有利于在时间分配捕捉丰富的替代模式，以非工作活动，除了在饱食效应揭示人口异质性。此外，与从简单的模型忽略无论是货币约束或NAS效用函数时，该模型提供适合的优越善良。最后，模型结果为减少人口不公平的时间分配使用个人之间的重要的政策见解。

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