Solving the startup problem in Western mobile Internet markets

This paper describes the evolution of the mobile Internet in terms of three concepts: the startup problem, standard setting, and mental models. Products in which there is little or no value to the first users due to the existence of strong direct (e.g., telephone) or indirect (complementary products) network effects face a large startup problem. This paper divides the startup problem for the mobile Internet into two stages. Japanese and later other service providers solved the first startup problem with entertainment content that was supported by a micro-payment system (service providers collect and pass on content fees to content providers) and custom phones that displayed this content in a consistent manner.     

移动数字电视发展状况分析

移动数字电视是数字电视的一种新兴传播形式,目前公众对信息接受的随时性需要越来越强。移动数字电视的推广以国内三家民营运营商为主。高画质、多频道、随时接收、发展潜力巨大是移动电视最大的优势特点。同时仍存在技术不完善、收视环境及受众心理效果不理想等制约瓶颈。     

State Ownership, Privatization and Performance in Singapore: An Exploratory Study from a Strategic Management Perspective

This paper considers the ownership debate with regard to state-owned enterprises (SOEs) performance, that is, whether superior performance of SOEs can be achieved under state ownership. While the traditional belief has been, supported by empirical work, that private ownership is generally associated with superior performance, the experience of Singapore is a clear example to the contrary. We outline global privatization trends and discuss the impact of privatization programs. We then discuss Singapore Telecom as a case where state ownership combined with several contextual and firm-related factors, especially firm strategy, has led to sustained world-class performance. We develop a theoretical framework for this analysis based on the strategic management field. We lastly outline some theoretical and practical implications of the analysis.     

采用组播技术实现Mobile IP功能

详细介绍了Internet中的组播技术和Mobile IP技术，认为它们是两种关系比较特殊的技术。提出在现有的条件下，可以采用组播技术来实现MobileIP功能，具体介绍了一种采用PIM－SM来实现基本的MobileIP功能，切换和路由优化的方案，并分析了其性能。     

Cable Television Rate Deregulation

In the 1984 Cable Communications Policy Act, cable television operators were effectively freed from rate regulation, and subsequently enjoyed monopoly franchise protection with free market pricing. In 1992, however, reregulation of basic cable service rates was established in the Cable Consumer Protection and Competition Act. The argument for reimposing regulation was that a substantial increase in basic cable rates had occurred post–deregulation. Yet the efficacy of rate controls upon an industry which has substantial freedom to adjust product quality is theoretically ambiguous. This study examines simple price, quality, and output evidence to determine how rate deregulation impacted consumers. It finds support for the view that rate controls did not lower quality–adjusted prices and are best explained as tools for influencing rent distribution across interest groups     

The Progressive Second Price Mechanism in a Stochastic Environment

We consider in this paper an auction-based pricing scheme recently introduced by Lazar and Semret to allocate bandwidth among users. This mechanism, called Progressive Second Price, was studied using tools from noncooperative game theory, for a fixed set of players (i.e., users). We compare here the results obtained in that case with the more realistic situation when players randomly enter or leave the game. We assume that they enter according to a Poisson process, and leave it after an exponentially distributed sojourn time. We show that this stochastic assumption cannot be skipped since it can lead to very different results.     

考虑伪码跟踪误差影响的码片内多径分离研究

<正> 刘光溪同志是我国第一位国际贸易专业WTO研究方面的博士并作为中国代表团主要成员参与了13年中国复关/入世的实质性谈判工作,写过多本有关世贸组织和区域经济合作方面的专著,《碰撞、融合、发展——亲历13年复关/入世谈判的思索》是他在这方面的一本新著。已由上海人民出版社于2002年2月正式出版发行。     

极值步进跟踪在车载移动卫星通信中的应用

本文介绍了记忆极值跟踪的原理、车载移动卫星通信跟踪系统的组成和软件设计以及对实际遇到的问题的处理。     

High-Tech Innovation,Growth and Trade Dynamics in Australia

In this paper the macro-economic interactions between high-tech innovation (telecommunications), growth and trade are analysed at the macroeconomic level. Cointegration and innovation accounting based on vector autoregression techniques have been used to estimate empirically the trade and growth dynamics in the Australian context. The paper reviews the high-tech innovation induced policy regime shifts such as the deregulation of telecommunications and the liberalisation of trade and also quantifies trade and growth dynamics.     

Towards a Mobile App Diffusion of Innovations model: A multinational study of mobile wallet adoption

Demand for contactless payments has increased worldwide, but adoption varies by country. We propose a more parsimonious Diffusion of Innovations model (i.e., complexity is dropped and compatible advantage replaces relative advantage and compatibility) to investigate mobile wallet adoption, but with context-relevant extensions of security, privacy and ubiquity. The model is empirically tested for Canada, Germany and the United States. The findings support the proposed model. Furthermore, we find ubiquity, privacy concerns and security risks vary by country, and ubiquity plays a mediating role. This model can be utilized in future mobile app studies and provides country-specific guidance to practitioners.