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A meta-analysis and synthesis of public transport customer amenity valuation research

机译：公共交通客户舒适性估值研究的荟萃分析和综合

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This paper synthesises published research concerned with the valuation of public transport customer amenities. It includes normalisation of published values to equivalent terms, a meta-analysis of factors influencing these values, a review of valuation methods and issues faced in applying these methods, and an identification of gaps in knowledge. Some 57 separate research publications in this area were identified. Valuation methods adopted included stated preference, revealed preference, customer ratings, priority evaluator, maximum difference scaling and benefit/value transfer. Of these, stated preference was the most common published approach, however in practice benefit/value transfer is the most common method to apply values in project appraisal. Key issues associated with valuation include substantial variation in values (which are often context dependant) and the adoption of different units for expressing values, thereby limiting their transferability. Some 556 separate customer amenity values were identified relating to 97 separate amenity types. Almost all valuations were below 2 minutes of equivalent in-vehicle travel time value. Meta-analysis identified five types of significant predictors of values (R-2 = 0.23): study location (Scandinavia), valuation method (stated preference), mode (train/metro), amenity group (access) and journey stage (boarding/alighting). Future research needs to disaggregate valuations by market segment.
机译：本文综合了与公共交通客户便利估价有关的公布研究。它包括向等效项的公布值的正常化，影响影响这些价值的因素的荟萃分析，估值方法​​和应用这些方法的问题，以及识别知识中的差距。确定了该地区的其他57个单独的研究出版物。采用的估值方法包括说明偏好，揭示偏好，客户评级，优先考虑评估员，最大差异缩放和效益/价值转移。其中，所述偏好是最常见的公布方法，但在实践中，受益/价值转移是申请项目评估中价值的最常见方法。与估值相关的关键问题包括价值观的大量变化（通常是上下文依赖）以及用于表达值的不同单位，从而限制其可转移性。鉴定了大约556个独立的客户舒适度值与97个单独的舒适性类型有关。几乎所有估值都低于同等车载行程时间值的2分钟。 Meta分析确定了五种类型的值（R-2 = 0.23）：研究地点（斯堪的纳维亚），估值方法​​（说明偏好），模式（火车/地铁），娱乐集团（访问）和行程阶段（登机/下降）。未来的研究需要通过市场部门分解估值。

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