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Smaller Aircraft for More Profits? –A Preliminary Examination of Airlines’ Fleet Size Decision with Fare and Demand Distributions

机译：小型飞机能获得更多利润？ – r n通过票价和需求分配对航空公司机队规模决策进行初步检查

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At the confluence between traditional revenue-maximizing frameworks premisedrnupon fixed aircraft seat capacity, and fleet assignment integer programming premisedrnupon deterministic demand and uniform fares, this paper explores the use of surplus (orrnprofit)-maximizing as a strategic decision criterion for optimizing aircraft fleet sizing,rnbased on fare, demand and operating cost distributions. A preliminary applicationrnindicates that the potential improvement in using the operating surplus as the objectivernfunction compared with using total revenue or combined operating and spill costs can bernbetween 0.7% and 21%. In general, the surplus-maximizing framework tend tornrecommend smaller aircraft size in view of a sharply decreasing expected marginal seatrnrevenue profile, echoing the recent decision by British Airways to down-gauge its aircraftrnsize. In particular, the use of the expected (mean) unconstrained demand in the uniformfare,rndeterministic-demand cost-minimization problem appears to yield results thatrnsomewhat resembles those predicted with the surplus-maximizing problem.
机译：在传统的收益最大化框架前提下固定飞机座位容量和机队分配整数规划前提条件确定性需求和统一票价之间的融合，本文探讨了盈余（利润）作为优化飞机机队规模的战略决策标准，基于票价，需求和运营成本分配。初步应用表明，与使用总收入或合并的运营成本和溢油成本相比，使用运营盈余作为目标功能的潜在改进可介于0.7％和21％之间。总的来说，考虑到预期的边际座位收入轮廓急剧下降，盈余最大化框架往往会建议缩小飞机尺寸，这与英国航空公司最近决定缩小飞机尺寸的决定相呼应。特别是，在统一票价，确定性需求成本最小化问题中使用预期的（平均）无限制需求似乎产生的结果与用剩余最大化问题预测的结果相似。

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