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- W2406620924 abstract "석유제품은 1997년 이후 석유가격자유화가 시행됨에 따라 1990년대 중반을 기점으로 규제가격에서 시장가격으로 전환된 반면, 전력은 계속 규제가격으로 남아 있다. 이러한 가격규제제도의 차이는 최근에 관찰되고 있는 석유와 전력의 수요행태의 차이, 즉 전력수요의 지속적 증가와 석유소비 정체를 가져온 주요 요인으로 볼 수 있다. 이를 확인하기 위하여 본고에서는 석유제품과 전력의 수요추정식을 바탕으로 1981년부터 2011년 사이 월별 데이터를 10년의 표본기간으로 나누어 1년씩 이동시키는 이동회귀분석(rolling regression)을 통해 탄력성의 변화를 추적했고, 다음과 같은 결과를 확인할 수 있었다. 첫째, 1990년대 중반 이후 휘발유와 경유의 가격탄력성은 더 탄력적으로 변화한 반면, 가정용과 산업용 전력의 가격탄력성은 오히려 더 비탄력적으로 변화하였다. 둘째, 생산(소득)탄력성의 경우에는 석유제품과 전력에서 뚜렷한 패턴차이를 보이지 않고 있으며, 1990년대를 기준으로 나눈 시기별로도 특이한 변화가 나타나지도 않고 있다. 셋째, 휘발유와 경유 간에만 교차탄력성이 유의적으로 추정되었으며, 1990년대 중반 이전에는 휘발유의 교차탄력성이 의미를 가지는 반면, 1990년대 중반 이후에는 경유의 교차 탄력성이 의미를 가지는 것으로 나타났다. Prices of oil products such as gasoline and diesel are deregulated since 1997 while electricity price is still controlled by government. This difference may explain recent discrepancy in the patterns of demand for oil products and electricity - constant increase in electricity consumption and stagnant demand for oil. To verify it empirically, we estimate price and income (production) elasticity of demand across time by using a rolling regression with 10 year-window based on monthly data for 1981-2011. Estimation results show that the sensitivity to price in demand for gasoline and diesel has increased since mid-90s while the elasticity of demand for electricity has become smaller. Second, income (production) elasticities of demand have shown no significant changes for both oil products and electricity. Third, cross-price elasticity was found meaningful only for gasoline before mid 1990s and for diesel after then." @default.
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- W2406620924 date "2013-06-30" @default.
- W2406620924 modified "2023-10-17" @default.
- W2406620924 title "Changes in Elasticities of Demand for Oil Products and Electricity in Korea" @default.
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- W2406620924 doi "https://doi.org/10.15266/kerea.2013.22.2.251" @default.
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