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1 에너지경제연구 Korean Energy Economic Review Volume 10, Number 1, March 2011 : pp. 1~24 국내화력발전산업에대한연료와자본의대체성분석 1

2 2

3 3

4 ~ 4

5 5

6 F F P F P F ln ln ln ln ln ln ln ln ln ln ln ln ln ln ln ln ln 6

7 ln ln ln ln ln 7

8 ln ln ln ln 8

9 ln ln ln 9

10 ln ln 10

11 ~ 11

12 < 표 1> 자료통계 ( 표본크기 = 22) ~ 12

13 < 표 2> 가설검증결과 ln ln ln ln ln ln ln ln ln 13

14 ln ln < 표 3> 최종형태의제약비용함수추정결과 14

15 15

16 11) ln ln ln ln ln ln = ln ln ln ln ln ln 16

17 < 표 4> 자기및교차탄력성추정결과 (1997 년기준 ) 17

18 < 표 5> 대체탄력성추정결과 (1997 년기준 ) ln ln ln ln ln 18

19 [ 그림 1] 자본암특가격연도별변화추이 ln 19

20 접수일 (2011 년 3 월 19 일 ), 수정일 (2010 년 3 월 29 일 ), 게재확정일 (2010 년 3 월 29 일 ) 20

21 : : Translog. 38(2) : : : (2) : : :. 45(3) : (1) : ,, : Post-Kyoto : (CGE). 18(3) :

22 Allen, R. G. D Mathematical Analysis for Economists. London : Macmillan. Berndt, E. R. and Morrison, C. J Capacity utilization measures: underlying economic theory and an alternative approach. American Economic Review 71(2) : Brown, R.S. and Christensen, L. R Estimating elasticities of substitution in a model of partial static equilibrium: an application to U.S. agriculture 1947 to in: E. R. Berndt and B. C. Field(eds.), Modeling and Measuring Natural Resource Substitution. Cambridge, Massachusetts : M.I.T. Press. Caves, D. W., Christensen, L. R. and Swanson, J. A Productivity growth, scale economies, and capacity utilization in U.S. railroads, American Economic Review 71 : Caves, D. W., Christensen, L. R. and Tretheway, M. W Flexible cost functions for multiproduct firms. Review of Economics and Statistics 62(3) : Christensen, L. R., and Greene, W. H Economies of scale in U.S. electric power generation. Journal of Political Economy 84(4) : Christensen, L. R. and Jorgenson, D. W The measurement of U.S. real capital input, Review of Income and Wealth 15 : Halvorsen, R. and Smith, T. R On measuring natural resource scarcity. Journal of Political Economy 92 : Halvorsen, R. and Smith, T. R Substitution possibilities for unpriced natural resources: restricted cost function for the Canadian metal mining industry. Review of Economics and Statistics 68 : Halvorsen, R. and Smith, T. R A test of the theory of exhaustible resources. Quarterly Journal of Economics 106 : Jorgenson, D. W., Fraumeni, B. M Relative prices and technical change. in: E.R. Berndt and B.C. Field(eds.), Modeling and Measuring Natural 22

23 Resources Substitution. Cambridge, Massachusetts : MIT Press. Lau, L. J A characterization of the normalized restricted profit function. Journal of Economic Theory 12 : McFadden, D Cost, revenue, and profit functions. in: M. Fuss and D. McFadden(eds.). Production Economics: A Dual Approach to Theory and Application Vol. 1. Amsterdam : North-Holland. Shin, E Inter-energy substitution in Korea, Journal of Economic Development 6 :

24 ABSTRACT The more substitutable energy is with capital, the easier it is to achieve the goal of sustainable development in highly energy intensive Korean industrial sector. This paper estimates a restricted cost function, which is derived given the optimal level of capital stock, and measures elasticities of substitution between fossil fuels and capital in the Korean thermal power generation. Empirical results show that capital is strongly substitutable with oil. The effect on the demand for oil of price subsidy for capital is simulated with the estimated price elasticities of demand. The use of oil would be reduced by more than the extent to which the use of capital would be increased, suggesting that a subsidy for investment on improving boiler fuel-efficiency would be likely to be effective in reducing some degree of CO 2 emissions. Keyword:Fuel-capital substitution, Restricted cost function, Thermal power generation 24

에너지경제연구 Korean Energy Economic Review Volume 17, Number 2, September 2018 : pp. 1~29 정책 용도별특성을고려한도시가스수요함수의 추정 :, ARDL,,, C4, Q4-1 -

에너지경제연구 Korean Energy Economic Review Volume 17, Number 2, September 2018 : pp. 1~29 정책 용도별특성을고려한도시가스수요함수의 추정 :, ARDL,,, C4, Q4-1 - . - 2 - . 1. - 3 - [ 그림 1] 도시가스수요와실질 GDP 추이 - 4 - - 5 - - 6 - < 표 1>