• Journal of Korean Society of Forest Science
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• v.54 no.1
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• pp.41-48
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• 1981

The income and price elasticities of the timber demand for the 27 years (1953~79) in Korea were analyzed by the 3 economic growth stages - in 1953~61, in 1962~71, in 1972~79-. The results obtained are as follows : 1. In 1953~79, the income and price elasticities of the total timber demand were respectively 1.87 and -0.47 ; those of the domestic timber demand were respectively 0.09 and -0.30 ; those of the foreign timber demand were respectively 2.50 and -0.11. 2. In 1953~61, the income and price elasticities of the total timber demand were respectively 2.11 and -0.86 ; those of the domestic timber demand were respectively -2.94 and -0.57 ; those of the foreign timber demand were respectively 1.20 and 0.43. 3. In 1962~71, the income and price elasticities of the total timber demand were respectively 2.89 and -0.20 ; those of the domestic timber demand were respectively 1.38 and -0.25 ; those of the foreign timber demand were respectively 3.54 and -0.42. 4. In 1972~79, the income and price elasticities of the total timber demand were respectively 1.07 and 0.17 ; those of the domestic timber demand were respectively 1.12 and 0.12 ; those of the foreign timber demand were respectively 1.22 and 0.17.

• Journal of Energy Engineering
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• v.10 no.1
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• pp.55-62
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• 2001

전력산업에 경쟁제도가 도입되면 전력 생산자와 소비자는 전력 시장을 통하여 그들의 편익을 최대화 하고자 한다. 발전사업자와 수요자사이에 거래되는 시장에서의 전력 가격은 시장에 공급되는 전력량과 전력수요량에 따라 균형을 이루는 점으로 결정되고 이 점에서 사회편익이 최대가 된다. 소비자의 전력사용지불의사에 따라 달라지는 전력 수요랑을 표현하는 가격탄력성에 따라 시장에서 결정되는 가격은 변하게되고, 전력 생사자는 변화하는 전력생산비용을 요금에 반영함으로써 전력수요에 적절한 영향을 미칠 수 있다. 본 논문에서는 탄력성이 변함에 따라 달라지는 사회적 편익과 전력시장 참여자인 생산자와 소비자 편익변화를 가상적 시나리오에 따른 모의 실험을 통하여 경쟁적 전력시장의 경우 가격탄력성이 클수록 사회적 편익이 증가함을 보였다.

• Management & Information Systems Review
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• v.36 no.4
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• pp.81-102
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• 2017

This study examined the income and price elasticities of tourism demand model by using the ARDL models. This paper used the ARDL & ARDL-RECM model based on the annual number of tourists arrivals, GDP and CPI including tourists from the US, Japan and China entering Korea. First, the income elasticity of the US was inelastic and insensitive necessities for long-run US tourists in the ARDL model. China's income elasticity was elastically sensitive luxuries. Second, the US and China's own price elasticities were very elastic to tourism demand in both models. Third, the US's cross price elasticity showed the relationship between inelastic positive substitutes and inelastic negative complements in China in ARDL model. The cross price elasticities of the US and China showed inelastic positive substitutes in the ARDL-RECM model. Fourth, the coefficients of the error correction term were such that the actual sign and the expected sign of the US and China coincided with the negative sign in the ARDL-RECM model. Therefore, first, it can be established in a tourist policy or tourism strategy through income elasticity. Second, we can improve the quality and differentiation of products, recognizing that Korea's tourism price is more elastic than other markets through price elasticity.

• Journal of Korean Society of Transportation
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• v.18 no.1
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• pp.27-34
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• 2000

This study analyzes the price elasticities of airline Passenger demand through the 'Stated Preference' technique which uses survey data. Because the domestic airfare has been regulated by the government. it is not easy to derive Price elasticity through the usual regression analysis with aggregate data and thus a special methodology is required for elasticity estimation. Therefore, in this study we estimated the Price elasticities of domestic air passenger demand and the modal share change rates to the alternative modes with logit model and sample enumeration method, by analyzing the survey data on air Passengers' demand behavior about the mode choice between air-rail. air-bus, and air-car. As the results, the estimated price elasticities are in the range of -0.6~-0.9, and rail is mainly chosen as an alternative mode. bus is chosen Partly, and car is barely used.

• Proceedings of the Korea Water Resources Association Conference
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• 2006.05a
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• pp.269-274
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• 2006

전국 176개 지자체의 5개년 자료를 이용하여 생활용수의 가격탄력성을 분석 하였다. 기존의 연구에 비해 상대적으로 낮은 결과가 도출되었다. 수도요금 10% 인상에 수요량은 0.5% 감소하는 것으로 나타났다. 따라서 수도요금 인상을 통해 수요량 절감을 달성할 수 있을지 여부는 불투명해 보인다. 따라서 탄력성이 있다는 결론이 자칫 수돗물 값을 몇 % 인상시키면 댐 몇 개가 필요 없다는 식의 논리는 위험한 생각이다. 물 값의 역할은 물수요 절감뿐 아니라 향후 공급에 요구되는 비용의 회복과 시설의 효과적인 유지 및 관리비용임을 명심해야 한다. 국가 정책의 수립을 위해서는 정상적인 가격체계의 도입과 함께 보다 객관적인 연구가 요구된다.

• Korea journal of population studies
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• v.25 no.1
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• pp.257-289
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• 2002

In this study we analyse how the tobacco prices have an effect on the national health. The level of tobacco price will fluctuate its consumers demand and eventually affect the national health status. We estimate tobacco consumption function as well as households'demand system in which tobacco and health expenditure functions are included. Demand elasticities are estimated and evaluated in order to find future policies to improve the national health by controlling the national tobacco consumption There are two econometric approaches app1ied in this study. The lent tobacco demand analysis method is mm tobacco consumption function model. Using national indices of tobacco price, tobacco consumption and other related variables, tobacco consumption function is estimated. The other is micro demand system analysis by using Korean urban households expenditure data during the period of 1991 to 1999. The own price elasticity which is estimated from national tobacco demand per capita is -0.19 for all people and -0.176 for the adults over 18, which means 100% price increase will cause decease of tobacco demand at 19% and 17.6% per each The cross vice elasticity which is estimated between tobacco and health expenditure of urban households demand system is -0.2328, which implies 100% of tobacco price increase will decrease 23.28% of health expenditure. The low price elasticities imply that tobacco price increase will increase total tobacco sales volume. 100% of tobacco price increase will bring about 79% increase of total tobacco sales volume according to our scenario. Korea's tobacco demand is negatively responsive to fluctuations in its price. The health expenditure is also negatively relatedto the tobacco price fluctuation. These empirical outputs could be utilized as the basis of government's tax policy to control national tobacco consumption in the future.

• Environmental and Resource Economics Review
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• v.27 no.1
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• pp.195-214
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• 2018

This study estimates the price elasticity of residential water demand in Korea. For that, annual panel data from the year of 2010 to 2013 for 161 local water services is estimated by using panel quantile model. As a result, the price elasticities of residental water demand in Korea are estimated to be between -0.156 and -0.189 depending on its quantile. In addition, the study finds that the estimated elasticity of residential water demand by traditional conditional mean regression is relatively more influenced by high demand areas because the distribution of residental water demand in Korea is left-skewed.

• Proceedings of the KIEE Conference
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• summer
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• pp.695-697
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• 2004

현재 전력시장에서 발생하는 게이밍을 반영하기 위한 수리적 모델로서 가장 보편적으로 사용되는 이론 중의 하나가 쿠르노 모델이다. 쿠르노 모델을 실제전력시장에 적용할 때 가장 어려운 점 중의 하나는 정화한 해당 모델에 사용되는 수요와 시장가격간의 관계를 정식화한 수요반웅함수(혹은 역수요함수)를 구하는 것이 다. 기존 모델의 경우 장기간에 걸친 탐문조사나 데이터를 바탕으로 가격탄력성을 구하는 방식을 취하고 있다. 그러나 수요는 전기설비의 교체 소비자의 기호 등 여러가지 변수로 지속적으로 변할 수 있기 때문에 이러한 고정적인 가격탄력성을 적용하는 것은 문제점이 될 수 있기 때문에 본 논문에서는 이러한 가격탄력성을 일정 거래주기 마다 갱신해줄 수 있는 방법을 제안하고자 한다.

• Environmental and Resource Economics Review
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• v.29 no.4
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• pp.499-520
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• 2020

Input ratio of electricity to other production inputs in the Korean manufacturing sector has been higher than for the other OECD countries. In addition, electricity prices in Korea has been relatively lower than the average of OECD countries. Moreover, electricity sector is responsible for most CO2 emissions in Korea as coal and natural gas account 41.9% and 26.8% of electricity production as of 2018. Therefore, it looks inevitable to raise the electricity tariff for the manufacturing sector in Korea, but there is a concern that increase in the electricity tariff might affect small and medium enterprises (SMEs) more than large firms. This study estimates electricity demand's price and output elasticities for large firms and SMEs in steel industry by employing a time varying parameter model (Kalman filter). The analysis shows that changes in output levels regardless of firms' size affect electricity demands more significantly than do changes in electricity prices. Second, large firms have higher variances for both price and output elasticities of electricity demand. Third, large firms have higher price elasticity but lower output elasticity of electricity demand relative to SMEs. Policy implications are suggested in association with how to reduce electricity demands in the energy-intensive industry.

• Environmental and Resource Economics Review
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• v.16 no.4
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• pp.781-802
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• 2007

This study estimates a demand function for municipal water in Seoul area using a Stone-Geary functional form. The Stone-Geary model offers more precise estimates for price elasticity of water demand since it explicitly separates 'basic demand' which is not influenced by the price from 'economic demand' which depends on the price. Our results show that about 84% of the total water demand is the basic demand. The results suggest that the minimum consumption range m stepwise price system should be lowered from $30m^3$ to $15m^3$ per month.