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This study is to research into the economic effects of introducing of the ubiquitous City(u-City) industry in Korea. For the purpose, we define the conception of the u-City industry. And to analyze, we redistribute the Input-Output table from Korean bank. The methodological framework proposed in this paper addresses the strength of the economic effects that it reflects the endogenous model of the household. Also this paper is to estimate and analyze the forecast of final demand that do not exist in the marketplace. The results show that production derivative effect is about 2,940 trillions won, and value added creation 2,264 trillions won from 2007 to 2012.

In market economies, competition is viewed as a positive force which can effectively increases the welfare of consumers. Most countries adopting a market-based economic system have competition laws in place to ensure and promote competition. The essential elements of a competition law, common to most national varieties, are regulation of monopoly or oligopoly, regulation of mergers, prohibition of unfair trade practices and prohibition of cartels. The ultimate goal of this body of law is to guarantee effective competition in the market. Meanwhile, starting from the 1990s, we have been witnessing worldwide the practice known as `strategic alliance' among market competitors gaining ground at an accelerating pace. The question facing competition authorities in countries around the world is therefore whether strategic alliances are a phenomenon that needs to be regulated by the government. In this paper, we review some countries. And we try to draw a reasonable regulation direction for the telecommunications strategic alliance regulation.

When the Internet phone service, generally PC-to-phone, first entered into the telecommunications market, no regulatory issues were arisen in managing the service. While incumbent fixed telecommunications service enterprises had given with tremendous duties to continue the job categorized `facilities-based telecommunication service provider', and which can be unreasonable and unfair if Internet phone service enterprises are allowed to enter into the fixed telecommunications market without any regulation. Thus, new regulatory framework has worked for the Internet phone service named VoIP service generally in the fixed telecommunications market. Recently, VoIP is provided not only in the fixed telecommunications market but also in the mobile market as Wi-Fi phone is feasible in the wireless LAN environment. Furthermore, bundled service of Wi-Fi and cellular phone service will be launched soon, and the next version will be a mobile VoIP service operating like a cellular phone service. Thus, in this paper, we forecast the regulatory issues arising when the wireless or mobile VoIP service enterprises enter the mobile market, by analyzing both aspects of the incumbent operator's rights and the market liberalization. In market economies, competition is viewed as a positive force which can effectively increases the welfare of consumers. Most countries adopting a market-based economic system have competition laws in place to ensure and promote competition. The essential elements of a competition law, common to most national varieties, are regulation of monopoly or oligopoly, regulation of mergers, prohibition of unfair trade practices and prohibition of cartels. The ultimate goal of this body of law is to guarantee effective competition in the market. In this paper, we review some countries. And we try to draw a reasonable regulation direction for the telecommunications strategic alliance regulation