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1.
In this paper, examination of the possibility of a ‘double marginalization’ problem existing in the Korean telecommunication industry is conducted and suggestions are made for the provision of a new scheme to eliminate this possibility by changing the pricing system for fixed-to-mobile calls. Based on five key economic characteristics in the Korean mobile market, a simple model for double marginalization in the telecommunication market is introduced. Evidence was found to suggest that a double marginalization problem is likely to exist within Korea's telecommunication industry as it is presently structured, and that this problem is further likely to have an adverse effect on the industry by inflating the price of fixed-to-mobile calls. Two alternatives are proposed to effectively remedy this double marginalization issue. It is also shown that prices of fixed-to-mobile calls could be lowered by changing the caller pays principle into a receiver pays principle. 相似文献
2.
中日韩自由贸易区的贸易流量和福利效应分析:一个局部均衡的校准方法 总被引:2,自引:0,他引:2
校准方法作为一种确定数理经济模型中的变量和参数的手段之一,在贸易政策的建模研究中得到广泛的应用.本文以局部均衡为基础,利用中日韩三国自1990~2003年共14年的贸易额及相关数据建立校准模型,并对拟议中的中日韩自由贸易区做出比较静态分析,从产业层面来模拟中日韩自由贸易区建成后所可能带来的福利效应.分析结果表明,中日韩三国建立自由贸易区会增加彼此的国民福利水平,并会对未加入贸易协定的其他东亚国家产生影响.因此,在东亚形成更为广泛的自由贸易安排从区域合作的角度来看是一种更佳的合作方式. 相似文献
3.
河淮地幔亚热柱的隆升,使岩石图发生强烈减薄的同时,地幔物质呈蘑菇状向外围造山带之下拆离。当幔源拆离薄层被造山带陡倾韧性剪切带切割造成减压释荷,使韧性软化岩石转变为深熔岩浆上侵,形成沿造山带轴部展布的点状或线状构造岩浆带,表现为以构造岩浆带为核部的隆升构造一幔枝构造。隆升较快的构造区段上覆盖层里揭顶式大幅度拆离,形成典型的变质核杂岩构造。地幔亚热柱→幔枝构造→变质核杂岩演化过程控制着成矿物质的运移、聚集、成矿作用,并在幔枝(变质核杂岩)构造的不同部位形成不同的矿床类型。 相似文献
4.
长三角居民赴韩旅游消费模式初探 总被引:7,自引:0,他引:7
在实证研究的基础上从出游认知、消费构成、消费评价和消费趋势进行分析,探讨了长三角地区居民赴韩旅游消费模式。研究表明,长三角地区居民赴韩旅游出游认知和消费构成亦处于初级阶段,对消费评价和消费倾向大体上持肯定态度和乐观态度。 相似文献
5.
Internet Protocol Television (IPTV), the convergence services of television and Internet, is being rapidly developed around the world. The advent of digital technologies has changed the convergence market dramatically with the wide diffusion of the convergent services. Using the Technology Acceptance Model as a conceptual framework and method of logistic regression, this research analyzes the demand for IPTV by drawing data from 452 consumers. Individuals' responses to questions about whether they accept IPTV are collected and combined with observations of their socio-economic status and intrinsic/extrinsic factors modified from the Technology Acceptance Model. Results of logistic regression show two variables (intrinsic and extrinsic factors) that seem to explain what influences consumer behavior towards adopting IPTV. Overall, the logistic regression model explains over 50% of the variance in the IPTV adoption. The variances shed light on the multi-open platform environment that IPTV will forge. 相似文献
6.
We find that the cash flow sensitivity of cash holdings of firms whose investment opportunities are lower is significantly higher by examining a panel data of 898 Korean firms for 1999–2014. The cash flow sensitivity of investment is also found to be lower in case of low investment opportunity. Both findings suggest that firms decide to hold cash in response to an increase in cash flow when they do not have a good investment opportunity. Precautionary motive because of financial constraints and uncertainty, and agency problems, however, are not associated with the cash flow sensitivity of cash holdings. These findings imply that it is necessary to develop new investment opportunities to encourage firms to spend more cash in Korea. 相似文献
7.
AbstractThis paper contributes to the empirical research around the “wage-led” or “profit-led” demand regimes. It first reviews how Kalecki, and then Steindl, approached the relationship between economic growth and income distribution. Then, empirical analysis carried out under the probabilistic approach to econometric modeling shows statistical evidence, estimated through cointegration analysis, that in the long run, in three very open economies—Mexico, France, and Korea—the wage share is positively associated with demand and output. It finally discusses the macroeconomic dilemma that almost all countries have to face, i.e., a positive effect of a high-wage policy on demand and employment may diverge from a negative effect on output compatible with external equilibrium. 相似文献
8.
近几年来,随着中韩两国经贸易关系的发展,韩国对我国投资持续增长。由韩国LG与南京同创集团建立的南京LG企业经过短短几年的发展,已成为我国显示器生产的重要基地,实现了跨越式增长,其经营理念里所包含的“人本”意识和对于社会的责任感是值得认真总结和学习的。 相似文献
9.
北方牧区草地资源可持续利用的制度创新研究 总被引:3,自引:1,他引:3
我国北方牧区的天然草地发生了严重的退化,引发了一系列生态经济问题。导致草地退化的原因是多方面的, 制度供给不足和滞后是主要的社会经济原因。单纯依靠技术和资金投入治理退化草地,难以从根本上解决问题。应从科学发 展观的视角,通过改革现行草地所有权、使用权,完善草地资源管理制度,构建有助于体现草地资源生态价值的绿色考核体 系,实施有利于牧区发展的生态补偿政策,建立和完善草地利用和保护的激励机制,从而实现草地资源的可持续利用。 相似文献
10.
Tae Kyung Sung David V. Gibson Byung-Su Kang 《Technological Forecasting and Social Change》2003,70(5):449-466
This article explores the characteristics of venture business and entrepreneurs in Korea to (1) identify technology transfer activities, (2) analyze the differences between technology transfer in linear and nonlinear venture businesses, and (3) guide more effective venture business policy and strategy. This empirical assessment reveals that entrepreneurs have insightful evaluations about their resources and capacities as well as expectations with regard to functions and features of science parks and incubators. Respondents from “linear model”-based start-ups tend to be older and have higher education, employ more basic research and development (R&D) and have more R&D-oriented careers, and have more varied work experience than “nonlinear”-based start-ups. The functions and features of science parks and incubators were generally not considered a critical influence on start-ups nor on the growth of venture businesses. Accordingly, alternative venture-nurturing strategies are discussed as being key to accelerate venture businesses growth. 相似文献