Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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Analysis of Efficiencies of Korea's Domestic Airports With Radial and Non-radial Approaches

방사적 및 비방사적 접근법을 이용한 국내공항의 효율성 분석

  • 전영인 (인하대학교 물류전문대학원) ;
  • 민경창 (인하대학교 물류전문대학원) ;
  • 하헌구 (인하대학교 물류전문대학원)
  • Received : 2012.07.20
  • Accepted : 2013.01.24
  • Published : 2013.04.30
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Abstract

This study analyzed relative efficiencies of fourteen airports in Korea with radial and non-radial approaches such as DEA(Data Envelopment Analysis) and SBM(Slack Based Measure) from 2004 to 2011. To suggest an improvement scheme for these airports, we analyzed slack airports and compared then with respective reference airports. To measure efficiency, we used the length of runway, the number of employees, and the size of terminal as input factors, and the number of passengers, the amount of cargo, and the number of flights as output factors. The analysis results showed that efficiencies of most airports had been decreasing and that the gap between efficient airports and inefficient airports was widening. Additionally, most airports had much slacks in its terminal size. It meant that they had been operated with a size not proportionate to their demands and that it is a major cause of inefficiency.

본 연구에서는 방사적 측정방식과 비방사적 측정방식을 사용하여 국내공항의 상대적 효율성을 분석하였다. 이를 바탕으로 효율성 개선을 위해 비효율을 유발시키는 잔여부문을 분석하였으며, 효율적인 준거대상과의 비교를 통해 개선 방안을 제시하였다. 15개의 국내공항 중 14개의 공항을 분석대상으로 2004년에서 2011년까지의 8개년의 자료를 바탕으로 분석하였으며, 투입요소로는 활주로 길이, 종업원 수, 터미널 규모를 사용하였고, 산출요소로는 여객 수, 화물량, 비행편 수를 사용하였다. 분석결과 국내공항의 효율성은 대부분이 하락하는 추세였으며, 효율적인 공항과 비효율적인 공항의 격차가 매년 증가하고 있는 것으로 나타났다. 또한 대부분의 국내공항들이 수요대비 거대한 규모로 운영되는 점이 비효율성을 증가 시키는 주요원인이었다.

Keywords

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