대한교통학회지 (Journal of Korean Society of Transportation)

  • 제23권8호
  • /
  • Pages.67-75
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  • 2005
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  • 1229-1366(pISSN)
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  • 2234-4217(eISSN)
대한교통학회 (Korean Society of Transportation)
권호 표지

소비자 지출 행태를 통한 교통과 통신의 상호연관성 연구

Exploring Relationships between Transportation and Communications Using Consumer Expenditure Patterns

  • Choo, Sang-Ho ;
  • Mokhtarian Patricia L. (University or California, Davis)
  • 발행 : 2005.12.31
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초록

본 연구에서는 미국의 소비자 지출(1984-2002) 자료를 이용하여 교통과 통신간의 상호연관성을 분석하였다. 먼저 소비자 지출 전체 항목 중 교통 및 통신 관련 항목을 12가지로 분류하였으며, 데이터의 수가 적어 이 세부항목을 다시 5개의 대 항목(대중교통, 차량구입, 차량운영, 전자통신매체 인쇄통신매체)으로 그룹화한 후 Linear Approximate Almost Ideal Demand System(LA/AIDS) 기법을 이용하여 소비자 수요 모형을 개발하였다. 또한 평균 소비자 지출 분담율을 기준으로 교통과 통신의 소득 및 가격 탄력성을 산출하였다. 모형추정결과, 교통과 통신의 상호관계는 항목별로 대체(예, 대중교통 이용과 전자통신미디어 이용) 및 보완(예, 개인차량 구입과 전자통신미디어 이용)관계가 있는 것으로 규명되었다. 그리고 교통관련 항목의 소비자 지출이 통신관련 항목의 지출보다 소득면에서 보다 탄력적인 것으로 나타났다.

This study analyzed the relationships between expenditures on transportation and those on communications, using consumer expenditure data from the U.S. for the 19 years 1984-2002. We first identified 12 categories of goods for transportation and communications, and then applied the linear approximate Almost Ideal Demand System(LA/AIDS) method for estimating consumer demand functions based on aggregating the categories to five (public transportation, personal vehicle capital, personal vehicle operation, electronic communications media, and print communications media) due to the small sample size. Expenditure and price elasticities were also calculated at mean values of expenditure shares. The results indicate that transportation and communications categories have both substitutive(e.g. public transportation and electronic communications media) and complementary(e.g. private vehicle capital and electronic communications media) relationships. Additionally, expenditures in the transportation categories are generally more income-elastic than those in communications.

키워드

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