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대기오염이 실내·외 도시관광지 수요에 미치는 영향: 초미세먼지를 중심으로
김상혁 ( Kim Sang Hyuck ) 한국이벤트컨벤션학회 2021 이벤트 컨벤션 연구 Vol.17 No.2
Purpose-As increasing the negative impacts of the Particular Matter2.5(PM2.5), the research interest regarding the negative effects of the PM2.5 on tourism industry has been increased. Thus, the purpose of this study is to investigate the effects of PM2.5 on urban tourism demand by comparing the outdoor and indoor tourist attractions. Design, data, and methodology-In order to examine the effects of PM2.5 on the demand of urban tourist attractions, time series data analysis was conducted. The monthly data from Jan, 2014 to Dec, 2019 were gathered from secondary data base. The number of visitors to major tourist attractions in Seoul, Korea was used as a dependent variable and monthly PM2.5 concentration was used as an independent variable. For the control variables, precipitation, unemployment rate, travel expenditure per person, consumer price index(Lodging fee), the number of foreign tourists, and seasonal dummies were used. Result-The empirical results showed that PM2.5 are differently influenced on the demand of outdoor and indoor tourist attractions. First, PM2.5 has negative effects on outdoor tourist attraction. However, there are no significant effects on indoor tourist attraction. Conclusions-The results of this study support the prior studies that found there is a different effect on the demands between indoor and outdoor tourist attraction due to the air-pollution.
모바일 환경에서 기업의 소셜네트워크 서비스 품질에 관한 연구 : 몰입 및 충성도에 따른 집단간 인식차이를 중심으로
김상혁(Kim, Sang-Hyuck),양재훈(Yang, Jae-Hoon) 한국통상정보학회 2012 통상정보연구 Vol.14 No.3
본 연구는 모바일 SNS 사용자들의 몰입 및 충성도에 따라 집단을 구분하고, 각 집단이 인식하는 모바일 SNS의 정보품질과 시스템품질 차이를 측정하는 것이 목적이다. 실증연구를 위해, 먼저 빈도분석을 통해 표본의 특성을 제시하였다. 요인분석과 신뢰도분석을 통해 각 요인을 구분하고 타당성 및 내적일관성에 대해 검정하였다. 또한, 몰입 및 충성도를 바탕으로 계층적 군집분석과 비계층적 군집 분석을 통해 집단을 분류하였다. 분류된 군집별로 모바일 SNS의 품질요인에 대한 차이가 있는지를 규명하기 위해 분산분석을 실시하였다. 분석결과 정보품질과 시스템 품질에 대한 몰입과 충성도의 차이에 따른 집단 간 차이가 있으며, 몰입의 정도와 충성도가 높은 집단일수록 모바일 SNS의 서비스 품질에 대한 인식이 높게 나타나고 있음을 알 수 있었다. 이는 기업은 급변하는 모바일 환경에서 SNS를 통한 제품 및 서비스의 정보제공이 소비자들을 유인할 수 있는 중요 전략이 될 수 있다는 것을 인식해야 하며, 몰입 및 충성도의 정도에 따른 집단별 맞춤화 전략을 시행해야 함을 시사한다. 또한 몰입의 정도가 낮은 집단을 대상으로 모바일 SNS의 사용자들의 몰입의 효과를 극대화 시킬 수 있는 컨텐츠와 어플리케이션을 개발해야 한다. The purpose of this study is examining the differences of mobile SNS s service quality, which consists data quality and system quality, among the groups that are classified by commitment and customer loyalty. For the experimental analysis, the frequency analysis was performed for general characteristics of sample. The variables were selected by factor analysis that also prove the validity of variables. The value of Cronbach s alpha was calculated to check the reliability of variables. In addition, the group was determined by the both hierarchical and hierarchical cluster analysis, then ANOVA was performed to test the hypotheses that there are differences of mobile SNS s service quality, among the groups that are classified by commitment and customer loyalty. The results of this study support that there are differences among the groups toward mobile SNS s service quality and also shows the more commitment and loyalty group is the higher recognition of mobile SNS s service quality. Thus, the companies have to realize that mobile SNS is very important key factor to success in rapidly changing business environment. In conclusion, the companies implement different customized strategy for the different group and develop the contents and the applications to maximize the commitment and loyalty of for the mobile SNS users.
시변 공적분 회귀모형을 이용한 외식 수요의 소득탄력성 추정
김상혁 ( Sang Hyuck Kim ),제상영 ( Sang Y. Jei ),박성용 ( Sung Y. Park ) 한국재정정책학회 2011 財政政策論集 Vol.13 No.4
This paper studies the income elasticity of eat-out demand using time series data from 1985 to 2008. In order to catch the long-run stable relationship between eat-out expenditure and income a time-varying cointegrating regression model has been used. There are three interesting findings in our empirical analysis: (i) there exists a time-varying long-run stable equilibrium between eat-out demand and income variables; (ii) the estimated long-run income elasticities are greater than 1 for whole time horizon, which implies eat-out is a luxury good; (iii) the behavior of the long-run elasticity can be characterized by three time intervals. From 1985 to 1990, the long-run income elasticities have a monotone increasing pattern. From 1990 to 2002, the income elasticities fluctuate between the values 1.552 and 1.610. The income elasticities show a monotone decreasing pattern from 2002 to 2008.
김상혁 ( Kim Sang Hyuck ),송희원 ( Song Hee Won ) 한국이벤트컨벤션학회 2022 이벤트 컨벤션 연구 Vol.18 No.2
Purpose -The purpose of this study is to examine the effect of transportation accessibility improvement on the tourism spatial interaction and on the tourism spatial structural change as time passed. Design, data, and methodology -The research design for this study is fold three parts. First, gravity model was used to measure the tourism spatial interaction. Second, the effect of opening high-speed rail was identified by conducting the random-effects model. Third, the mean center and standard deviation distance analysis were used to identify the change of the tourism spatial structure between each region that has high-speed rail station The annual panel data from 2010 to 2019 was used to conduct the empirical analysis. The data were gathered from the Origin-Destination statistics provided by the Korea Transport Database. Result -The empirical results show that the opening of high-speed rail increased the tourism spatial interaction between each region that has high-speed rail station. In addition, the mean center of tourism spatial interaction has moved from the metropolitan area to regional area, since the high-speed rail has been opened in 2017. Conclusions -The study reveals that the improvement of transportation accessibility increases the tourism spatial interaction as well as alleviates the concentration of the tourists in the metropolitan area.
김상혁 ( Kim¸ Sang Hyuck ) 한국이벤트컨벤션학회 2020 이벤트 컨벤션 연구 Vol.16 No.4
Purpose - The purpose of this study is to identify the spatial effects among the convention centers in Korea and to examine the efficiency of the convention centers in Korea with spatial effects. Design, data, and methodology -The data was gathered from the statistics of the Association of Korean Exhibition Industry. The samples were limited to 13 convention centers in Korea from 2014 to 2018. The input variables used in the study were the size of the exhibition hall and the size of the conference room, as well as the output variable was the number of events held annually. The Moran’s I and the Spatial Stochastic Frontier Analysis(SSFA) were used for the empirical analysis. Result - The empirical results show that convention centers in Korea have the spatial effects between the convention centers in terms of distance, and the efficiency of the convention center were increased by the distance between the convention centers is closer and the size of the exhibition hall is larger. Conclusions -The efficiency of the convention centers in Korea have been influenced by a spatial effect. It implies that the convention has an cluster effect. Thus, the distance between convention centers can be considered as a factor for enhancing the efficiency of convention centers in Korea