• Journal of Korea Game Society
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• v.12 no.6
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• pp.59-70
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• 2012

There are many methods to buy and sell online items. But A lot of people use item trade sites when they want to sell or buy their items. This article analyzes the price structure of item trade, and finds why gamers use item trade sites in spite of the brokerage. We analyze the difference of item prices between in the market of item trade sites and in the market of other trade methods. And we find that the prices of item trade sites is higher than those of other markets. Buyers pay about 6% higher prices to seller. The higher prices are for the safe trading what item trade sites supply. And sellers take about 0.7% higher prices than in other markets. There is a sufficient motive when gamers use item trade sites in spite of their high prices.

• KIEE International Transactions on Power Engineering
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• v.5A no.4
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• pp.396-402
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• 2005

In an electricity market with imperfect competition, participants devise bidding plans and transaction strategies to maximize their own profits. The market price and the quantity are concerned with the operation reserve as well as the bidding system and demand curves in an electricity market. This paper presents a market model combined by an energy market and an operating reserve market. The competition of the generation producers in the combined market is formulated as a gaming of selecting bid parameters such as intersections and slopes in bid functions. The Nash Equilibrium (NE) is analyzed by using bi-level optimization; maximization of Social Welfare (SW) and maximization of the producers' profits.

• Journal of Digital Convergence
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• v.15 no.8
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• pp.477-487
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• 2017

This paper releases strategies for firms that wish to enter into online circulation business in China. SWOT based on a Korean manufacturing company teaches us better way to approach Chinese online market. Chinese online market is under oligopoly, where Alibaba and Jingdong account for about 80% of the total market. Game theory is used as a measure of threat and opportunity between Korean manufacturer and Chinese online market retailer. Game shows that they are easy to accept opportunity and sales uplift rather than low risk. Analysis shows that Korean companies should improve its products and brand competitiveness in the offline market before entering into the Chinese online retail market. They need to prepare a localization model.

• Cartoon and Animation Studies
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• s.40
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• pp.367-395
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• 2015

Mobile games have taken 80% of the market sales in smart device application industry that is highly regarded as one of the fast growing pool of cultural content after the distribution of smart devices. One of the most successful mobile games after the smart device's appearance is . created by Gung-ho Online entertainment under Softbank Japan, has gained the sales revenue of one trillion dollars after its release in 2012, just after one year of its exposure to the market. The game also has been the top rank by Worldwide Mobile Game Revenues for 2years achieving 40 million downloads worldwide in 2015. However, there is no place for a Korean game in world mobile game sales ranks yet. Even though the mobile game industry has been expanding every year, Korean games are losing its places in the market. Therefore, the analysis of a successful game such as is vital for diagnosing Korea's game content and its lack of direction. This study utilizes K. Masanao's Matrix for Creating Profit System for analyzing 's factors for its success. First, the game has incorporated puzzle and RPG contents for creating a new genre, which led various age groups to play the game. Second, the developers have applied 'limited time' in-game festivals and collaborations between the game and famous contents such as God Festival and Character Draw system to increase the profit revenue. Third, the company communicated with on and off line players to seek their needs for developing the game's better development. Consequently, the three success factors of deduced from this study not only reflect the related researches and academic values, but also contribute for the search in finding better ways to developing game contents for Korean mobile game industry.

• Journal of Digital Convergence
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• v.11 no.12
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• pp.761-768
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• 2013

The serious game refers to the game which is combined game's fun with the peculiar object of the field including the education, medical treatment, public, and etc. By doing so, it can help that the learners are able to acquire the knowledge and technology of the relative field with joy. Currently, the serious game of the various fields is launched. However, there are many obstacles in Korea to develop the market. This paper is the research for showing how to overcome these problems. For this purpose, first, this research investigates the present condition of the serious game in the planning and development and marketing viewpoint. Second, the obstacles of the serious game are analyzed. Finally, the methods for solving these obstacles are shown. This paper is helpful for finding out the strategies for solving the obstacles without too much consideration of obstacle elements for serious game development.

• Journal of Korea Game Society
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• v.16 no.5
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• pp.149-158
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• 2016

This research is about development and usability test of 'Paldokangsan4' which is a serious game for the elderly to improve their physical and mental health. This game is the next version of last 'Paldokangsan3' developed in 2013. Its motion capture interface 'Kinect' has been stopped for production that we have to develop the next version with 'Kinect2'. We added a personal ID system to accumulate palyers' game histories, and let the player know the the current score comparing to the personal average score every time. Also we added real mart background to the traditional old market background of the game as well as a tutorial level to learn how to play the game personally. In 2016 Play Expo, we have installed and demonstrated it and gathered opinions of 40 volunteers in questionnaire. The result of their analysis showed that we could find the possibility of beneficial effects for the elderly following the last version.

• Journal of Internet Computing and Services
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• v.6 no.4
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• pp.37-46
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• 2005

Computer are being used in an increasingly wide variety of application areas, and their correct operation is often critical for business success and humasn safety. Developing high quality software products is therefore of prime important. The recent game software become popular, so we are interest in the game software testing. According to the kinds of game software, because it has the different characters, so game software testing is very difficult. According to enviroment change, Recently, online game is popular, so online game trade in the world market. In the company, developers try to develop the reliable game software. But we can experience many fault of game software in spite of the beta testing. Especially, Testing is very difficult on the game software because of various environment and functionality. We tried the survey for game user. In this paper, we study the quality testing metric of game software fault basis on the ISO/IEC 9126. Also, we consist of the check list of game software a point of view user. It apply for the reliability testing metrics of ISO/IEC 9126.

• Journal of Digital Convergence
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• v.15 no.8
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• pp.409-416
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• 2017

The game market has not only grown in size of the 10 trillion won but also the form and function of game use. Serious game combines the educational purpose and the fun of the game and develops it so that contents such as national defense. In this study, we analyze the cases of five application areas for the activation of serious games, and develop factors that the serious game should have, we want to see what the characteristics are and how important it is. The results of analysis show that it was analyzed that most serious games of application field were developed as 'experiential games' such as education, learning, experience, and simulation. This means that it is very effective to develop a serious game in consideration of the characteristics that a potential user should prefer a sensible game as well as a clear goal of a serious game in game development.

• Korean Management Science Review
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• v.23 no.2
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• pp.41-57
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• 2006

The purposes of this research are to identify causalities among flow and customer loyalty In Chinese online games, and to identify the factors by which flow are influenced. This research tests the model with Chinese on-line game users and compare this result with Korea and Japanese results which were conducted by Lee's research. These implications are thought to be helpful for Korean online game companies to understand the Chinese online game user and to develop the penetration strategies. The results indicated that significant Path coefficients to flow were the convenience of operator, the provision of information, the reality of design. The results indicated that significant path coefficients to customer loyalty were the involvement of virtual community and flow. The involvement of virtual community to flow was not significant but to customer loyalty was significant. The provision of information was negatively influenced on flow. The result of comparison indicated that the path coefficients were different among nations. Korea online game companies need to develop the indigenized online game and to Provide the information to their Chinese partner correctly and quickly.

• The KIPS Transactions:PartD
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• v.12D no.3 s.99
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• pp.455-460
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• 2005

An improvement of a mobile game content production and a service technology are bringing an explosive increase of a mobile game market. Currently serviced mobile games are using a WAP method and a download method. Because of technical problems, we couldn't develop the mobile game content which sequentially linked WAP->download and download->WAP. In this study, we design and develop the mobile game content which sequentially linked WAP->download and download->WAP. In the proposed method, we can linked the stage and the ranking information as sharing a data on real time that it is impossible in the previous mobile game content.