农村弱势群体的强势扶持

农村弱势群体的凸显是我国体制转轨、社会转型过程中深层矛盾的反映。他们的弱势地位凭借自身能力很难改变,需要国家和社会力量给予帮助和支持。如何解决农村弱势群体问题,需要政府更新执政理念,强化第一责任意识,构建兼顾效率与公平的社会分配机制、扶贫长效机制,建立新型的农村经济合作组织和农民协会等,加大对农村弱势群体的强势扶持,使农村弱势群体由“弱”渐“强”。     

我国新郊区建设的国际借鉴与主要任务

城市郊区作为我国新一轮发展的重要战略空间,在我国经济社会发展中具有重要的战略地位和作用。如何在新的历史时期,借鉴国外大城市郊区发展的经验,加速推进郊区建设和发展,已经成为大城市进一步发展的重大任务。我国新形势下的城市郊区建设一、我国城市郊区建设面临的新形势首先,我国已经进入突破城乡二元结构的重要历史时期,中央相继提出统筹城乡发展的基本方略和我国已进入“以工促农、以城带乡”阶段的总体判断,为城市郊区的发展提供了新的动力。城市郊区是统筹城乡经济发展的最佳切入点,深入推进统筹城乡发展战略,有利于城区与郊区发展…     

收益波动模型及其在香港房地产评估中的应用

将市场比较法与收益法结合起来,可以得到一个新的收益波动模型.这样的模型又分两类:即直接资本化模型和报酬资本化率模型.在收益波动模型中,使用概率统计和价值函数可得出波动系数和状态系数,然后通过使用收益均值、收益标准差、对象状态系数、资本化率(投资收益率)、收益年期等五个基本变量来评估财产的价值.本文还介绍了使用此模型评估香港写字楼和住宅的两个实例.     

双边市场视角下互联网平台并购对企业成长的影响研究——以美团为例

移动互联网平台突破性发展是市场关注的热点.从双边市场的异质性产品定位,到平台演进和生态化打造是移动互联网平台成长的逻辑.基于平台双边资源聚合及网络效用增强的有序投资,是实现平台成功突破的重要战略步骤.美团作为移动互联网时代下短期迅速成长的平台代表,正遵循着平台成长逻辑,对需求端的用户增长、供给端的产品多元突破、网络效应增强的算法提升以及平台商家产业互联网赋能等方面实施有序的投资与并购,实现其交易规模和变现率的高速增长,以及平台收入和利润的快速提高.     

On a general periodic preventive maintenance policy incorporating warranty contracts and system ageing losses

In this paper, a general periodic preventive maintenance (PM) policy for a repairable revenue-generating system is developed and studied. We define ‘ageing losses’ as the difference in revenues generated by an ideal system (no ageing) and a real system that ages over the same period of consideration. It is assumed that preventive maintenance slows the system deterioration process and therefore reduces ageing losses. The proposed model is general in the sense that (1) both the warranty contracts and system ageing losses are incorporated in the maintenance cost modeling and (2) the implementation of PM actions does not have to be strictly periodic. A cost model is developed for the buyer under two decision variables—the calendar time of the first PM and the degree of each PM. Numerical examples are then presented to show the effectiveness of the proposed model. Sensitivity analyses are further conducted to investigate the impact of model parameters on optimal solutions.     

An investigation of the influence of cinema environment on advertising effectiveness

Many advertisers are looking to cinema advertising as a nontraditional medium to reach consumers. Although several scholars have examined the effectiveness of this advertising vehicle, there is a dearth of empirically grounded research on how to improve such effectiveness. This study, based on the reactance and the equity theories, is probably the first academic project investigating how to manipulate an advertising environment in a real movie theatre to maximize advertising effectiveness. Results indicated that audiences in a distractive environment held a more positive attitude toward cinema advertising in general, but those in a restrictive environment were more likely to remember the advertised brands. In addition, the provision of ticket price information improved audiences’ acceptance of cinema advertising, but did not enhance recall. Moreover, the influence of ambient scent emitted into the atmosphere in a cinema room on ad recall dissipated when movie viewers became accustomed to such stimuli. Based on these findings, theoretical discussions and recommendations for practising managers were made.     

小麦面筋含量测定影响因素分析

面筋含量是影响小麦和小麦粉品质的重要因素,面筋吸水率是小麦储存品质的重要指标。本文对小麦面筋含量测定中的关键步骤和重点环节进行了分析,探讨不同因素对试验结果造成的影响及应注意的事项,以期为各基层试验人员提供借鉴,为未来标准的修订提供参考。     

Optimal insurance under rank‐dependent utility and incentive compatibility

Bernard, He, Yan, and Zhou (Mathematical Finance, 25(1), 154–186) studied an optimal insurance design problem where an individual's preference is of the rank‐dependent utility (RDU) type, and show that in general an optimal contract covers both large and small losses. However, their results suffer from the unrealistic assumption that the random loss has no atom, as well as a problem of moral hazard that provides incentives for the insured to falsely report the actual loss. This paper addresses these setbacks by removing the nonatomic assumption, and by exogenously imposing the “incentive compatibility” constraint that both indemnity function and insured's retention function are increasing with respect to the loss. We characterize the optimal solutions via calculus of variations, and then apply the result to obtain explicitly expressed contracts for problems with Yaari's dual criterion and general RDU. Finally, we use numerical examples to compare the results between ours and Bernard et al.