• Title, Summary, Keyword: Stated Preference

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Stated Preferences of Vacation Destination Attributes by Attitude toward Pleasure Travel (관광자의 태도에 따른 관광지 속성의 선호도)

  • 곽로엽;엄서호
    • Journal of the Korean Institute of Landscape Architecture
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    • v.27 no.2
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    • pp.29-40
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    • 1999
  • Tourism marketing begins with understanding tourists' needs. However, understanding tourists' needs should be expressed by specific utility values rather than simple preference order for the purpose of developing tourism marketing strategies. This study aims at identifying tourist's stated preference of vacation destination attributes by using the conjoint analysis. In addition, this study is purposed to define relationship between attitude and preference, and to suggest implications to tourism marketing strategies. It was found that stated preference to such attributes as 'quality of accommondation', 'recreation activities' and 'accessibility' among the attitude segments was significantly different but stated preferences to diverse profiles made of these three attributes showed significant differences only in such attributes as 'quality of accommodation' and 'recreation activities'. This results make it possible to identify the function of preference to destination attributes in the vacation destination choice decision. It also embodies the relationship between tourist's attitude and vacation destination attributes.

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Analysis on the business strategy and policy for the alternative fuel vehicle : Using stated preference data (대체연료 자동차에 대한 소비자 선호 분석을 통한 산업전략과 기술정책에 관한 연구)

  • 김연배;정기철;안지운;이정동
    • Proceedings of the Technology Innovation Conference
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    • pp.264-297
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    • 2006
  • In this paper, we attempt to analyze consumer preference for the alternative-fuel vehicles based on data from a stated preference using the conjoint analysis. Five possible fuel types (gasoline, diesel, CNG, LPG, Hybrid (electricity+gasoline)) are covered in conjoint cards. To estimate and analyze consumer preference, discrete choice model is used. Specifically, Bayesian mixed logit model is used. Based on estimating results, we discuss the business strategy and policy for the alternative fuel vehicle.

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Estimating Container Traffic of New Incheon Outer-South Port Using Stated Preference Methodology (명시선호(Stated Preference) 방법에 의한 인천남외항 컨테이너 물동량 추정)

  • Jeon, Il-Su;Kim, Hye-Jin;Kim, Jin-Won
    • Journal of Korea Port Economic Association
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    • v.20 no.2
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    • pp.151-167
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    • 2004
  • Traditional traffic forecast has employed regression analysis or time-series analysis based on past trends of explanatory variables. However, not existing but planned port facilities do not have historical data for traffic estimation. Consequently, arbitrary traffic allocation has been subject to researcher's intuition. In this paper, container throughput at New Incheon Outer-South Port will be estimated using stated preference(SP) and sample enumeration methodology on the basis of survey data about the choice behaviors of port users in a theoretical situation. In the SP survey, shippers, freight forwarders and carriers were required to answer a choice between two alternative ports: Busan and Incheon. Although total 27 scenarios of questionnaires were constructed with 3 levels of 3 explanatory variables, each interviewee was asked to answer for just 9 scenarios chosen at random. A binary choice logit model was applied to the survey data. The elasticity of travel time is estimated to be very high, implying that building New Incheon Outer-South Port could be effective in relieving the congestion of the Kyungin corridor. The analysis result shows that increasing service level at Incheon Port would bring in the substantial diversion of container cargo in the Capital region to Incheon Port from Busan Port.

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A study on the Economies of Launching Regular Air Service Between South Korea and North Korea;Based on the Analysis of Air Passenger's Preference of air services from Seoul to Beijing via Pyung Yang (남북한간 정기항공편 운항의 경제성 연구;서울-북경 항공편의 부분적 평양경유 운항을 가정한 항공여행자 선호도 분석을 중심으로)

  • Ryu, M.Y.;Kim, J.C.;Yoo, K.E.
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.14 no.4
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    • pp.66-73
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    • 2006
  • This study focuses on the economies of launching regular air services between capital cities of South Korea and North Korea. The demand for traveling between these two cities is too small to justify scheduled air service. However, it may be possible to provide regular air service by utilizing via flight of incumbent Seoul-Beijing flights. There are numerous flight services between Seoul and Beijing and we may allow some of the Seoul-Beijing flights to stop by Pyung Yang for commercial traffic handling. This study tries to find the optimal discount rate which passengers traveling between Seoul and Beijing via Pyung Yang, the idea is reasonable considering the inconvenience of stopping at Pyung Yang. The Stated Preference Techniques are applied for the study. The required data were collected through interviews of passengers traveling from Seoul to Beijing. The major variables that are considered in flight choice are air fare, flying time, and flight frequency. The relative importance of these major variables is estimated by the logit models calibrated with stated preference data.

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A Study of Mode Choice Analysis of Blind Spot Areas for Public Transportation in Four Metropolitan Cities (대도시권 대중교통 사각지대 통행자들의 수단선택 모형 개발 - 급행버스 노선 도입에 따른 선호의식 조사를 중심으로 -)

  • Kim, Hwang Bae
    • Journal of The Korean Society of Civil Engineers
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    • v.32 no.6D
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    • pp.565-569
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    • 2012
  • This study selected blind spot areas for public transportation in four metropolitan cities including Busan, Daegue, Gwangju, and Daejeon. Then this study developed a nested logit model and analyzed the changes of mode choice behaviors after adopting rapid transit system using stated preference(SP) survey. As the study results, blind spot areas have more potential public transportation demand and tendency to shift to public transportation from autos than built-up areas. This study results can be utilized to evaluate demand changes for new rapid transit system in a circular expressway and an arterial highway connecting CBD and surrounding areas. The study results also can be utilized to analyze the potential public transportation demand in the surrounding areas.

Estimation of Transfer Related Values of Seoul Subway Users Using Stated Preference and Revealed Preference Analyses (서울시 지하철 이용객의 환승 관련 변수의 가치 추정 (선호의식(SP) 및 현시선호(RP) 분석을 이용))

  • 양창화;손의영
    • Journal of Korean Society of Transportation
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    • v.18 no.4
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    • pp.19-30
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    • 2000
  • The purpose of the Paper is to estimate values of transfer related variables on route choices of subway users in Seoul. Four attributes were estimated affecting route choices, i.e. in-vehicle time, transfer time, number of transfers and existence of escalators. Stated preference and revealed preference techniques were used to estimate these values. The values of transfer related variables can be shown by in-vehicle time equivalents. One minute of transfer is 1.5∼2 times one minute of in vehicle times one time of transfer is 10∼15 times, and the existence of escalator is 2∼8 times. Women generally show stronger impedance than men and the elder does than the younger. Working, commuting and educational trips show stronger impedance than others too.

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Valuation of Public Data Using Stated Preference Method: The Case of Agriculture Soil Database (진술선호방법을 이용한 공공 데이터의 가치 평가: 농업토양정보 데이터베이스 사례)

  • Lee, Sang-Ho;Ha, Sung-Ho;Jeong, Ki-Ho
    • The Journal of Information Systems
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    • v.27 no.4
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    • pp.149-165
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    • 2018
  • Purpose As Korean economy has been sluggish in recent years, firms' interest in publicly financed projects has increased due to the relatively increasing proportion in the economy. Since 1999, publicly financed projects in Korea need to undergo preliminary feasibility study to evaluate economic efficiency and policy quality if they are larger than a certain scale. The benefits of public projects are one of the most important factors in the preliminary feasibility study but are difficult to estimate due to their nature. Design/methodology/approach This study estimates the benefits of the agricultural soil information database, a public database in Korea. The method used in the study is the stated preference method which is formally used in Korea's preliminary feasibility study. Data are collected through surveys and a logit model is constructed to be estimated by the maximum likelihood estimation method. Findings As the first study evaluating a public database, this study can be used as a baseline in all public database projects developed in the future. In addition, this study can contribute to improving the understanding of both private companies and public organizations who are interested in the cost-benefit analysis and estimation procedure for the publicly financed projects.

Analyzing the Difference between the Stated Preference and the Revealed Preference before/after the High-speed Rail Service in Korea

  • Lee, Jang-Ho
    • International Journal of Railway
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    • v.7 no.1
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    • pp.24-33
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    • 2014
  • The Korean high-speed rail (HSR) began its commercial service in 2004. This service has been created significant changes in the system of intercity passenger travels of Korea. However, the actual ridership was approximately half of the estimated one in the planning stage. In this background, this paper presents the difference between the stated preference (SP) before the HSR service and the revealed preference (RP) after it using the intercity travel mode choice models. Several meaningful differences are found in terms of the factors affecting the travel mode choice, the estimation results of model, the monetary values of time, and elasticities. While the access/egress travel time of high-speed rail is less important than in-vehicle travel time in the SP sample, they have same weight in the RP sample. Also the RP models show that the probability of choosing HSR can be decreased by the increase of the number of vehicles in household contrary to the results from the SP models. The monetary values of travel time are relatively high and the direct and cross elasticities in response to changes in level-of-service of HSR are relatively low in the RP sample. This Korean case is expected to offer referable material for preparing high-speed rail services in other countries by showing the difference between the SP and RP before/after the actual service, identifying the importance of access/egress travel time and lower direct elasticities of HSR demand.