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.     

The Big Family: Informal Financing of Small‐ and Medium‐Sized Businesses by Guanxi

Guanxi facilitates interaction between companies and people in Confucian societies. Does this type of social construct still play the key role, when the entrepreneurs live in Western societies? The objective of this article is to verify the impact of Guanxi on the capacity of small and medium‐sized businesses accessing financial resources informally. To this end, data collected from small Chinese entrepreneurs active in the principal business center of Brazil were used. From nonparametric tests, the results suggest that: (1) different levels of Guanxi allow small and medium‐sized businesses to access informal financial resources; (2) different types of informal financing are mostly used, or judged to be more significant, depending on the level of Guanxi of the entrepreneur in terms of parental and nonfamily ties; and (3) unlike the Western literature on the financial cycles of start‐ups, this type of informal financing can extend beyond the initial stage of the business. © 2014 Wiley Periodicals, Inc.     

由家族信任到社会信任:家族企业走向职业化管理的必由之路

由于中国社会将信任建立在家族血缘关系上,社会信任普遍缺失,家族制就成为民营企业的唯一选择。民营企业要想走上职业化管理之路,打破家族信任、构建社会信任就成为必然选择。一方面,作为外部社会制度的供给者,政府应构建以法制为基础的社会信任机制;另一方面,作为内部企业制度的供给者,家族企业应建立健全各项内部制度,构筑委托代理双方的心理契约,使之形成长期稳定的信任模式。     

Firm location,political geography and environmental information disclosure

As the subjective and objective factors that influence corporate behaviours, political region and firm location are of great importance to environmental information disclosure (EID). With spatial and political geography as a research perspective, this article makes a study by using the samples of manufacturing listed companies from 2009 to 2011. As a result, we determine that regulatory distance and political geography had negative effects on EID, while political geography weakens regulatory distance’s function. After considering an enterprise’s administrative rank, we determined that when the rank is higher, regulatory distance has negative effects on EID; when the rank is lower, the effects are the opposite. Regarding political geography, it always weakened the regulatory distance’s function. Moreover, the effects are significant only when the enterprises had low governmental regulation. The study shows the effects that firm location and political geography have made on EID. At the same time, this study also gives theoretical and empirical evidence to the necessity of raising governmental regulatory effectiveness.