Effects of Crown Ether on Some Physiological Properties and Economic Characteristics of Spikes of Wheat and Panicles of Rice

The seeds of wheat and the young roots of rice were treated with SU15-C-5 and B15-C-5.The effects of crown ether on economic characters of the spike and some physiological properties in both crops were studied.The results showed that crown ethers could promote the growth of wheat seedling, improve the contents of chlorophyll (a+b), reduce the ratio of chlorophyll a to b in the leaves of rice,thus bring about good effects of economic characters of the spike. Especially, it suggests that SU15-C-5 showed better physiological effects than B15-C-5.

Characterizing Economic and Social Properties of Trust and Reputation Systems in P2P Environment

Considering the fact that P2P （Peer-to-Peer） systems are self-organized and autonomous, social-control mechanism （like trust and reputation） is essential to evaluate the trustworthiness of participating peers and to combat the selfish, dishonest and malicious peer behaviors. So, naturally, we advocate that P2P systems that gradually act as an important information infrastructure should be multi-disciplinary research topic, and reflect certain features of our society. So, from economic and social perspective, this paper designs the incentive-compatible reputation feedback scheme based on well-known economic model, and characterizes the social features of trust network in terms of efficiency and cost. Specifically, our framework has two distinctive purposes： first, from high-level perspective, we argue trust system is a special kind of social network, and an accurate characterization of the structural properties of the network can be of fundamental importance to understand the dynamics of the system. Thus, inspired by the concept of weighted small-world, this paper proposes new measurements to characterize the social properties of trust system, that is, high global and local efficiency, and low cost; then, from relative low-level perspective, we argue that reputation feedback is a special kind of information, and it is not free. So, based on economic model, VCG （Vickrey-Clarke-Grove）-like reputation remuneration mechanism is proposed to stimulate rational peers not only to provide reputation feedback, but truthfully offer feedback. Furthermore, considering that trust and reputation is subjective, we classify the trust into functional trust and referral trust, and extend the referral trust to include two factors： similarity and truthfulness, which can efficiently reduce the trust inference error. The preliminary simulation results show the benefits of our proposal and the emergence of certain social properties in trust network.

Family Business Succession in Hong Kong： The Case of Yung Kee

This case study examines the succession of Chinese family business in Hong Kong, drawing upon theories of the firm. More specifically, it utilizes capabilities theories, property rights economics and Neo-Confucianism to understand management disputes and infighting among the members in a Chinese family business in Hong Kong. This paper will argue that the founder of a Chinese business firm in Hong Kong is able to lead his or her offspring to create a dynamic enterprise via charismatic leadership and family rules embedded in traditional Chinese values. However, these two strategic assets disappear following the passing away of the founder as well as the emergence of new social values. When the founder passes on the enterprise to his or her offspring using more or less the equal inheritance system, the traditional Chinese value is unable to enforce the leader＇s will to consolidate the strengths of the second generation family members to maintain the founder＇s business. Furthermore, when the business is owned by all family members, property rights of the firm become unclear. Without effective enforcement of traditional Chinese values and with collective ownership rights, some family members will have the incentive to capture the economic rent that is shared by all members. In other words, some family members behave opportunistically or even cheat in order to capture economic gains in the public domain. High monitoring and enforcement costs in the form of court battle and endless disputes will occur. Rent dissipation occurs in the form of deterioration of the quality of the family business. This casestudy is based on Yung Kee, an intemationally well-known roast goose restaurant in Hong Kong as an illustration.